In the whole land of China, many modern cities have a bright surface, but only a heavy rain can show their original shape. Only the old town of Qingdao has never been flooded. It was because of the invader Germany at that time, because the sanitary condition of Qingdao at that time was very poor, there were no above-ground water pipes, let alone sewers. When the Germans first arrived, they were not accustomed to the water and soil, and enteritis often occurred. Germans believe that the epidemic of E. coli and dysentery may be caused by two reasons: polluted soil and drinking water, and crowded living conditions. It was at this time that the Germans considered the sewers to be of strategic importance to them. According to the Lend-Lease Treaty with the Qing government, Germany occupied Qingdao for 99 years. So the Germans laid the sewer pipes exactly according to the design standards that were used for a hundred years.

Living in the modern society of the 21st century, living in a shortage of sewers, sewage often flows wantonly, and even the water from the septic tank can overflow into the stinky city on the street, eating fried vegetables in gutter oil every day, drinking preservative drinks, stewing sulfur-smoked white fungus lotus seed soup, and watching the neighbors' children happily drink Sanlu milk powder.

Smelling the undistinguishable haze in the air, I envy the famous Beishangshenguang in my heart, and taste the haze of petty bourgeois seasoning or the taste of mutton shabu, which is much stronger than the earthy smell of our here.

I was born in that era, I grew up in that era I was numb, at most I yelled on the Internet to vent my dissatisfaction, but now it is different, I have come to this era of pollution-free and chemically synthetic, no preservatives, and children do not need to be forced to pour milk powder mixed with all kinds of ghosts.

And I'm still the emperor, why don't I do something that is beneficial to the people and the survival and reproduction of the Chinese nation? Therefore, I naturally want to make a change, as early as when I was in Hancheng County, my son has already started to do it.

It can be said that Hancheng County is the area with the most complete public facilities in the entire land of China. There are not only public toilets and public baths, but also public squares for ordinary people to rest and chat, children to play, and the affordable and fair Hancheng County Quanjude Grand Theater, and the newly built Hancheng County is a county without city walls, and under its streets is a huge large drainage pipe that allows three people to walk upright side by side, and after being filtered by a physical sewage treatment center, the filtered domestic sewage is discharged into the Yellow River.

Well, there's no way around it, it's actually a couple of huge, much bigger pools than game pools, which are designed to block all kinds of debris and sediment. It can't be helped, that's all I can do.

I don't know how to build a sewage treatment plant, after all, in the 21st century, neither my county nor the big companies have ever seen it, and their industrial water is all discharged directly into the ditch, and the environmental protection department is like a bunch of tumblers, except for the smile on their face, I don't know what they have done.

It was only later, when we said that we were going to inspect the industrial pollution of the whole county, that we went to supervise and inspect, and we saw such things, that is, several large pools, from one pond to the outer pool, and then to another pool, and finally discharged into the ditch.

Of course, in the 21st century, there are some microporous filters, centrifuges, electric pumps and so on for the physical treatment of industrial sewage. We don't have it, we can only rely on the staggered height of the pool to make the flow of wastewater with grids, screens to block the profits, and then slowly sediment and sink by itself. Anyway, the seven oversized pools just let them flow into the Yellow River after they slowly settle.

But at least the septic tank accommodates the most polluting things and turns them into excellent organic fertilizers, which is definitely a great innovation of this era.

In ancient China, there was also a drainage system, and in the big cities, it was also quite perfect. The ancients always attached importance to the construction of sewers in urban construction. Sewers were first available in the court of the Yin and Zhou dynasties, and by the time of the Han and Wei dynasties, major cities were generally set up, and sometimes even pottery pipes were used as sewers, which was very standardized.

Anyway, I remember seeing information on the Internet, saying that someone once visited the ancient city of Ganzhou, Jiangxi Province, which has survived to this day, a miracle in the history of urban construction: the urban drainage system "Fushougou", which was built more than 900 years AD. Compared with the waterlogging everywhere today, I sigh at the wisdom of our ancestors.

Fushougou is the drainage system of the ancient city of Ganzhou built by Liu Yi, an ancient water conservancy expert, when he was the governor of Qianzhou (ancient name of Ganzhou) from 1068 to 1077 during the Xining period of the Northern Song Dynasty. The whole system is divided into two parts, Fugou and Shougou, the main ditch is nearly 13 kilometers long, with a total of six water outlets, three into the Zhangjiang River and three into the Gongjiang River. Fushougou is still intact and unimpeded, and is still the main channel for the daily sewage discharge of Ganzhou residents, and still maintains the ancient brick ditch wall and stone cover structure.

In that year, according to the topography of Ganzhou City, Liu Yi used a combination of open ditches and culverts to collude with the ponds in the city, and then discharged the wastewater into the Zhang and Gong rivers through 12 water windows under the city wall. This drainage system has formed a drainage network in the ancient Ganzhou city of "side branches and horizontal lines", "vertical and horizontal lines, in an orderly manner", with clear primary and secondary, and a combination of drainage and storage, which has played an important role in improving the environmental sanitation and living conditions of the urban area. At the same time, this system forms a large capacity reservoir in the drainage network to regulate the flow of heavy rain, reduce the overflow of sewers, and can also use sewage to raise fish and vegetables, which is the earliest comprehensive sewage utilization project in the history of urban construction in Ganzhou City.

What is Ze being in the afterlife? Just look at Fushougou and you will know the way. Today's urban drainage system, anyway, there is definitely no way to call Ze to be a future generation, and it is already amazing if it is not slapped in the face by future generations.

The original Chang'an is to open a deep ditch along the street, however, such a drainage system can only cope with small scenes, I don't want Chang'an to have a tragic situation when it rains heavily, so I decided to rebuild according to the original plan.

Now Chang'an's drainage system has been under construction for nearly a year, and most of the underground systems have only been completed by less than a third.

And all the drainage systems are dug underground according to the direction of the road, and the shallowest drainage channel is also less than ten meters, and the main road of the drainage system located in the Suzaku Gate is even deeper than forty meters.

The drainage system of Chang'an City alone, there are nearly 35,000 workers working silently underground, you must know that the construction of Chang'an City, there are only 100,000 people, it took less than nine months to build the entire Chang'an City out of a rough idea, and this son, it took a year, and only one-third of the drainage system was built.

However, the money spent is really not much, anyway, cement, steel, no matter what materials are produced by Ben Gongzi himself, plus Ben Gongzi posted his own grain store and all the grain to the state, so although the civil and military ministers in the court muttered a little about building such a costly drainage system, but in the end it did not stop me.

The important thing is that there are too many displaced people, and they have to find something to do, otherwise, they can't be kept for nothing, so how can they do it?

Therefore, under the situation of those ministers pinching their noses and acquiescing, Ben Gongzi recruited a large number of displaced people to carry out this infrastructure project. There are too many homeless people, and there is no way, so they have to find something to do, so the road construction and various construction projects have almost wiped out all the homeless people.

And although there are still a lot of new homeless people, it doesn't matter, anyway, there are still things waiting for them. It is believed that at the turn of spring and summer next year, the overall drainage system of Chang'an City will be put into use. Domestic sewage, rainwater, etc., which are directly transferred to Chang'an's sewer system, will be discharged into the physical water treatment center on the edge of the Yellow River.

Entered the underground pipe of the drainage system, high, one word, it is really high, anyway, Li Xuanba next to me was stunned for a long time before such a sentence came out, so that Lao Tzu thought that this guy praised the wisdom and martial arts of this son, but he praised the sewer for a long time It was very tall and wide.

"What's wrong with my brother-in-law, don't you think it's too big here?" Seeing that Ben Gongzi looked angry, Li Xuanba couldn't help asking.

"You don't want to think about it, today's Chang'an, the daily population, how can there be millions of people, and the city is too huge, every day I don't know how much domestic sewage is discharged into Weishui, and the terrain here is gentle and low, what should I do if a storm comes and floods people? Without such a large drainage system, can all the wastewater in this more than 160 square miles of the city be discharged? Ben Gongzi glared at this guy and said.

"Also, it seems that the younger brother wants to be wrong." Li Xuanba laughed dryly, and continued to admire the huge main road of the drainage system, which is just under Suzaku Street, and there are no buildings on it, so it has become the main road that collects and accommodates all the sewage in Chang'an City.

"Eight meters wide, four meters five high, and then, from the north end of Suzaku Street,...... Such a large pond is used to precipitate urban sewage, so that it can greatly reduce the pollution caused by urban sewage to Weishui? "My son said proudly.

"When the time comes, a group of workers will be hired to clean these sedimentation tanks in the sewer on time to ensure that the water quality of the Wei River is clean."

After all, the production and living water of people in this era rely on these natural water sources, and if the water is not clean, people are prone to illness. Although in the past few years, under the rule of Ben Gongzi, public health has been vigorously promoted, but after all, it cannot cover all regions, and can only work hard to do it and try to do it as well as possible.

If you don't pay attention, when a plague comes, I really don't know how many people will die and how many families will be destroyed. That's why I'm going to build all kinds of infrastructure in a big way. In the whole land of China, many modern cities have a bright surface, but only a heavy rain can show their original shape. Only the old town of Qingdao has never been flooded. It was because of the invader Germany at that time, because the sanitary condition of Qingdao at that time was very poor, there were no above-ground water pipes, let alone sewers. When the Germans first arrived, they were not accustomed to the water and soil, and enteritis often occurred. Germans believe that the epidemic of E. coli and dysentery may be caused by two reasons: polluted soil and drinking water, and crowded living conditions. It was at this time that the Germans considered the sewers to be of strategic importance to them. According to the Lend-Lease Treaty with the Qing government, Germany occupied Qingdao for 99 years. So the Germans laid the sewer pipes exactly according to the design standards that were used for a hundred years.

Living in the modern society of the 21st century, living in a shortage of sewers, sewage often flows wantonly, and even the water from the septic tank can overflow into the stinky city on the street, eating fried vegetables in gutter oil every day, drinking preservative drinks, stewing sulfur-smoked white fungus lotus seed soup, and watching the neighbors' children happily drink Sanlu milk powder.

Smelling the undistinguishable haze in the air, I envy the famous Beishangshenguang in my heart, and taste the haze of petty bourgeois seasoning or the taste of mutton shabu, which is much stronger than the earthy smell of our here.

I was born in that era, I grew up in that era I was numb, at most I yelled on the Internet to vent my dissatisfaction, but now it is different, I have come to this era of pollution-free and chemically synthetic, no preservatives, and children do not need to be forced to pour milk powder mixed with all kinds of ghosts.

And I'm still the emperor, why don't I do something that is beneficial to the people and the survival and reproduction of the Chinese nation? Therefore, I naturally want to make a change, as early as when I was in Hancheng County, my son has already started to do it.

It can be said that Hancheng County is the area with the most complete public facilities in the entire land of China. There are not only public toilets and public baths, but also public squares for ordinary people to rest and chat, children to play, and the affordable and fair Hancheng County Quanjude Grand Theater, and the newly built Hancheng County is a county without city walls, and under its streets is a huge large drainage pipe that allows three people to walk upright side by side, and after being filtered by a physical sewage treatment center, the filtered domestic sewage is discharged into the Yellow River.

Well, there's no way around it, it's actually a couple of huge, much bigger pools than game pools, which are designed to block all kinds of debris and sediment. It can't be helped, that's all I can do.

I don't know how to build a sewage treatment plant, after all, in the 21st century, neither my county nor the big companies have ever seen it, and their industrial water is all discharged directly into the ditch, and the environmental protection department is like a bunch of tumblers, except for the smile on their face, I don't know what they have done.

It was only later, when we said that we were going to inspect the industrial pollution of the whole county, that we went to supervise and inspect, and we saw such things, that is, several large pools, from one pond to the outer pool, and then to another pool, and finally discharged into the ditch.

Of course, in the 21st century, there are some microporous filters, centrifuges, electric pumps and so on for the physical treatment of industrial sewage. We don't have it, we can only rely on the staggered height of the pool to make the flow of wastewater with grids, screens to block the profits, and then slowly sediment and sink by itself. Anyway, the seven oversized pools just let them flow into the Yellow River after they slowly settle.

But at least the septic tank accommodates the most polluting things and turns them into excellent organic fertilizers, which is definitely a great innovation of this era.

In ancient China, there was also a drainage system, and in the big cities, it was also quite perfect. The ancients always attached importance to the construction of sewers in urban construction. Sewers were first available in the court of the Yin and Zhou dynasties, and by the time of the Han and Wei dynasties, major cities were generally set up, and sometimes even pottery pipes were used as sewers, which was very standardized.

Anyway, I remember seeing information on the Internet, saying that someone once visited the ancient city of Ganzhou, Jiangxi Province, which has survived to this day, a miracle in the history of urban construction: the urban drainage system "Fushougou", which was built more than 900 years AD. Compared with the waterlogging everywhere today, I sigh at the wisdom of our ancestors.

Fushougou is the drainage system of the ancient city of Ganzhou built by Liu Yi, an ancient water conservancy expert, when he was the governor of Qianzhou (ancient name of Ganzhou) from 1068 to 1077 during the Xining period of the Northern Song Dynasty. The whole system is divided into two parts, Fugou and Shougou, the main ditch is nearly 13 kilometers long, with a total of six water outlets, three into the Zhangjiang River and three into the Gongjiang River. Fushougou is still intact and unimpeded, and is still the main channel for the daily sewage discharge of Ganzhou residents, and still maintains the ancient brick ditch wall and stone cover structure.

In that year, according to the topography of Ganzhou City, Liu Yi used a combination of open ditches and culverts to collude with the ponds in the city, and then discharged the wastewater into the Zhang and Gong rivers through 12 water windows under the city wall. This drainage system has formed a drainage network in the ancient Ganzhou city of "side branches and horizontal lines", "vertical and horizontal lines, in an orderly manner", with clear primary and secondary, and a combination of drainage and storage, which has played an important role in improving the environmental sanitation and living conditions of the urban area. At the same time, this system forms a large capacity reservoir in the drainage network to regulate the flow of heavy rain, reduce the overflow of sewers, and can also use sewage to raise fish and vegetables, which is the earliest comprehensive sewage utilization project in the history of urban construction in Ganzhou City.

What is Ze being in the afterlife? Just look at Fushougou and you will know the way. Today's urban drainage system, anyway, there is definitely no way to call Ze to be a future generation, and it is already amazing if it is not slapped in the face by future generations.

The original Chang'an is to open a deep ditch along the street, however, such a drainage system can only cope with small scenes, I don't want Chang'an to have a tragic situation when it rains heavily, so I decided to rebuild according to the original plan.

Now Chang'an's drainage system has been under construction for nearly a year, and most of the underground systems have only been completed by less than a third.

And all the drainage systems are dug underground according to the direction of the road, and the shallowest drainage channel is also less than ten meters, and the main road of the drainage system located in the Suzaku Gate is even deeper than forty meters.

The drainage system of Chang'an City alone, there are nearly 35,000 workers working silently underground, you must know that the construction of Chang'an City, there are only 100,000 people, it took less than nine months to build the entire Chang'an City out of a rough idea, and this son, it took a year, and only one-third of the drainage system was built.

However, the money spent is really not much, anyway, cement, steel, no matter what materials are produced by Ben Gongzi himself, plus Ben Gongzi posted his own grain store and all the grain to the state, so although the civil and military ministers in the court muttered a little about building such a costly drainage system, but in the end it did not stop me.

The important thing is that there are too many displaced people, and they have to find something to do, otherwise, they can't be kept for nothing, so how can they do it?

Therefore, under the situation of those ministers pinching their noses and acquiescing, Ben Gongzi recruited a large number of displaced people to carry out this infrastructure project. There are too many homeless people, and there is no way, so they have to find something to do, so the road construction and various construction projects have almost wiped out all the homeless people.

And although there are still a lot of new homeless people, it doesn't matter, anyway, there are still things waiting for them. It is believed that at the turn of spring and summer next year, the overall drainage system of Chang'an City will be put into use. Domestic sewage, rainwater, etc., which are directly transferred to Chang'an's sewer system, will be discharged into the physical water treatment center on the edge of the Yellow River.

Entered the underground pipe of the drainage system, high, one word, it is really high, anyway, Li Xuanba next to me was stunned for a long time before such a sentence came out, so that Lao Tzu thought that this guy praised the wisdom and martial arts of this son, but he praised the sewer for a long time It was very tall and wide.

"What's wrong with my brother-in-law, don't you think it's too big here?" Seeing that Ben Gongzi looked angry, Li Xuanba couldn't help asking.

"You don't want to think about it, today's Chang'an, the daily population, how can there be millions of people, and the city is too huge, every day I don't know how much domestic sewage is discharged into Weishui, and the terrain here is gentle and low, what should I do if a storm comes and floods people? Without such a large drainage system, can all the wastewater in this more than 160 square miles of the city be discharged? Ben Gongzi glared at this guy and said.

"Also, it seems that the younger brother wants to be wrong." Li Xuanba laughed dryly, and continued to admire the huge main road of the drainage system, which is just under Suzaku Street, and there are no buildings on it, so it has become the main road that collects and accommodates all the sewage in Chang'an City.

"Eight meters wide, four meters five high, and then, from the north end of Suzaku Street,...... Such a large pond is used to precipitate urban sewage, so that it can greatly reduce the pollution caused by urban sewage to Weishui? "My son said proudly.

"When the time comes, a group of workers will be hired to clean these sedimentation tanks in the sewer on time to ensure that the water quality of the Wei River is clean."

After all, the production and living water of people in this era rely on these natural water sources, and if the water is not clean, people are prone to illness. Although in the past few years, under the rule of Ben Gongzi, public health has been vigorously promoted, but after all, it cannot cover all regions, and can only work hard to do it and try to do it as well as possible.

If you don't pay attention, when a plague comes, I really don't know how many people will die and how many families will be destroyed. That's why I'm going to build all kinds of infrastructure in a big way. In the whole land of China, many modern cities have a bright surface, but only a heavy rain can show their original shape. Only the old town of Qingdao has never been flooded. It was because of the invader Germany at that time, because the sanitary condition of Qingdao at that time was very poor, there were no above-ground water pipes, let alone sewers. When the Germans first arrived, they were not accustomed to the water and soil, and enteritis often occurred. Germans believe that the epidemic of E. coli and dysentery may be caused by two reasons: polluted soil and drinking water, and crowded living conditions. It was at this time that the Germans considered the sewers to be of strategic importance to them. According to the Lend-Lease Treaty with the Qing government, Germany occupied Qingdao for 99 years. So the Germans laid the sewer pipes exactly according to the design standards that were used for a hundred years.

Living in the modern society of the 21st century, living in a shortage of sewers, sewage often flows wantonly, and even the water from the septic tank can overflow into the stinky city on the street, eating fried vegetables in gutter oil every day, drinking preservative drinks, stewing sulfur-smoked white fungus lotus seed soup, and watching the neighbors' children happily drink Sanlu milk powder.

Smelling the undistinguishable haze in the air, I envy the famous Beishangshenguang in my heart, and taste the haze of petty bourgeois seasoning or the taste of mutton shabu, which is much stronger than the earthy smell of our here.

I was born in that era, I grew up in that era I was numb, at most I yelled on the Internet to vent my dissatisfaction, but now it is different, I have come to this era of pollution-free and chemically synthetic, no preservatives, and children do not need to be forced to pour milk powder mixed with all kinds of ghosts.

And I'm still the emperor, why don't I do something that is beneficial to the people and the survival and reproduction of the Chinese nation? Therefore, I naturally want to make a change, as early as when I was in Hancheng County, my son has already started to do it.

It can be said that Hancheng County is the area with the most complete public facilities in the entire land of China. There are not only public toilets and public baths, but also public squares for ordinary people to rest and chat, children to play, and the affordable and fair Hancheng County Quanjude Grand Theater, and the newly built Hancheng County is a county without city walls, and under its streets is a huge large drainage pipe that allows three people to walk upright side by side, and after being filtered by a physical sewage treatment center, the filtered domestic sewage is discharged into the Yellow River.

Well, there's no way around it, it's actually a couple of huge, much bigger pools than game pools, which are designed to block all kinds of debris and sediment. It can't be helped, that's all I can do.

I don't know how to build a sewage treatment plant, after all, in the 21st century, neither my county nor the big companies have ever seen it, and their industrial water is all discharged directly into the ditch, and the environmental protection department is like a bunch of tumblers, except for the smile on their face, I don't know what they have done.

It was only later, when we said that we were going to inspect the industrial pollution of the whole county, that we went to supervise and inspect, and we saw such things, that is, several large pools, from one pond to the outer pool, and then to another pool, and finally discharged into the ditch.

Of course, in the 21st century, there are some microporous filters, centrifuges, electric pumps and so on for the physical treatment of industrial sewage. We don't have it, we can only rely on the staggered height of the pool to make the flow of wastewater with grids, screens to block the profits, and then slowly sediment and sink by itself. Anyway, the seven oversized pools just let them flow into the Yellow River after they slowly settle.

But at least the septic tank accommodates the most polluting things and turns them into excellent organic fertilizers, which is definitely a great innovation of this era.

In ancient China, there was also a drainage system, and in the big cities, it was also quite perfect. The ancients always attached importance to the construction of sewers in urban construction. Sewers were first available in the court of the Yin and Zhou dynasties, and by the time of the Han and Wei dynasties, major cities were generally set up, and sometimes even pottery pipes were used as sewers, which was very standardized.

Anyway, I remember seeing information on the Internet, saying that someone once visited the ancient city of Ganzhou, Jiangxi Province, which has survived to this day, a miracle in the history of urban construction: the urban drainage system "Fushougou", which was built more than 900 years AD. Compared with the waterlogging everywhere today, I sigh at the wisdom of our ancestors.

Fushougou is the drainage system of the ancient city of Ganzhou built by Liu Yi, an ancient water conservancy expert, when he was the governor of Qianzhou (ancient name of Ganzhou) from 1068 to 1077 during the Xining period of the Northern Song Dynasty. The whole system is divided into two parts, Fugou and Shougou, the main ditch is nearly 13 kilometers long, with a total of six water outlets, three into the Zhangjiang River and three into the Gongjiang River. Fushougou is still intact and unimpeded, and is still the main channel for the daily sewage discharge of Ganzhou residents, and still maintains the ancient brick ditch wall and stone cover structure.

In that year, according to the topography of Ganzhou City, Liu Yi used a combination of open ditches and culverts to collude with the ponds in the city, and then discharged the wastewater into the Zhang and Gong rivers through 12 water windows under the city wall. This drainage system has formed a drainage network in the ancient Ganzhou city of "side branches and horizontal lines", "vertical and horizontal lines, in an orderly manner", with clear primary and secondary, and a combination of drainage and storage, which has played an important role in improving the environmental sanitation and living conditions of the urban area. At the same time, this system forms a large capacity reservoir in the drainage network to regulate the flow of heavy rain, reduce the overflow of sewers, and can also use sewage to raise fish and vegetables, which is the earliest comprehensive sewage utilization project in the history of urban construction in Ganzhou City.

What is Ze being in the afterlife? Just look at Fushougou and you will know the way. Today's urban drainage system, anyway, there is definitely no way to call Ze to be a future generation, and it is already amazing if it is not slapped in the face by future generations.

The original Chang'an is to open a deep ditch along the street, however, such a drainage system can only cope with small scenes, I don't want Chang'an to have a tragic situation when it rains heavily, so I decided to rebuild according to the original plan.

Now Chang'an's drainage system has been under construction for nearly a year, and most of the underground systems have only been completed by less than a third.

And all the drainage systems are dug underground according to the direction of the road, and the shallowest drainage channel is also less than ten meters, and the main road of the drainage system located in the Suzaku Gate is even deeper than forty meters.

The drainage system of Chang'an City alone, there are nearly 35,000 workers working silently underground, you must know that the construction of Chang'an City, there are only 100,000 people, it took less than nine months to build the entire Chang'an City out of a rough idea, and this son, it took a year, and only one-third of the drainage system was built.

However, the money spent is really not much, anyway, cement, steel, no matter what materials are produced by Ben Gongzi himself, plus Ben Gongzi posted his own grain store and all the grain to the state, so although the civil and military ministers in the court muttered a little about building such a costly drainage system, but in the end it did not stop me.

The important thing is that there are too many displaced people, and they have to find something to do, otherwise, they can't be kept for nothing, so how can they do it?

Therefore, under the situation of those ministers pinching their noses and acquiescing, Ben Gongzi recruited a large number of displaced people to carry out this infrastructure project. There are too many homeless people, and there is no way, so they have to find something to do, so the road construction and various construction projects have almost wiped out all the homeless people.

And although there are still a lot of new homeless people, it doesn't matter, anyway, there are still things waiting for them. It is believed that at the turn of spring and summer next year, the overall drainage system of Chang'an City will be put into use. Domestic sewage, rainwater, etc., which are directly transferred to Chang'an's sewer system, will be discharged into the physical water treatment center on the edge of the Yellow River.

Entered the underground pipe of the drainage system, high, one word, it is really high, anyway, Li Xuanba next to me was stunned for a long time before such a sentence came out, so that Lao Tzu thought that this guy praised the wisdom and martial arts of this son, but he praised the sewer for a long time It was very tall and wide.

"What's wrong with my brother-in-law, don't you think it's too big here?" Seeing that Ben Gongzi looked angry, Li Xuanba couldn't help asking.

"You don't want to think about it, today's Chang'an, the daily population, how can there be millions of people, and the city is too huge, every day I don't know how much domestic sewage is discharged into Weishui, and the terrain here is gentle and low, what should I do if a storm comes and floods people? Without such a large drainage system, can all the wastewater in this more than 160 square miles of the city be discharged? Ben Gongzi glared at this guy and said.

"Also, it seems that the younger brother wants to be wrong." Li Xuanba laughed dryly, and continued to admire the huge main road of the drainage system, which is just under Suzaku Street, and there are no buildings on it, so it has become the main road that collects and accommodates all the sewage in Chang'an City.

"Eight meters wide, four meters five high, and then, from the north end of Suzaku Street,...... Such a large pond is used to precipitate urban sewage, so that it can greatly reduce the pollution caused by urban sewage to Weishui? "My son said proudly.

"When the time comes, a group of workers will be hired to clean these sedimentation tanks in the sewer on time to ensure that the water quality of the Wei River is clean."

After all, the production and living water of people in this era rely on these natural water sources, and if the water is not clean, people are prone to illness. Although in the past few years, under the rule of Ben Gongzi, public health has been vigorously promoted, but after all, it cannot cover all regions, and can only work hard to do it and try to do it as well as possible.

If you don't pay attention, when a plague comes, I really don't know how many people will die and how many families will be destroyed. That's why I'm going to build all kinds of infrastructure in a big way.