The hillside is not small, but why is there so much soil, and, obviously, the buildings over there are not much lower?

Well, just look at the newly dug foundation, the foundation, dug very deep, and the floor of the room, also dug down, if you still don't understand, look at the busy train over there, you know, even, this train has one more thing, it started recently, what is it?

Well, this train is just some half-box flatbed, which carries stones, and there are some, this is, construction waste?

By the way, some of the buildings in the home, well, are cement buildings, and they have also begun to be demolished, and this construction waste has naturally been transported over, and then, after being broken again, the foundation can be put on the foundation, can be placed under the floor, put under the floor, mainly, there will be some heavy machinery here, naturally, this ground, needs to be very strong, this, fortunately, the train track was repaired first, otherwise, this construction, it will be really a lot slower, but at this time, it is not slow, but does not affect the speed, that is, this employment, too much, Well, fortunately, the part-time train was launched.

"Luan'er, you see, the hillside here, Daddy is designed in the shape of terraces, this terrace, the design of this field, well, maybe it will grow up according to these grasses at that time, and it will continue to be modified, and these hillsides will not apply fertilizer to the ground, but will go through some dark ditches to fertilize, why so, you have to think about it?"

Turning her head, Yang Qiao looked at Luan'er and tested her.

"Baby cow, do you want to think about it too?"

"Hee-hee, do you want to look good?"

The simplest explanation, to be good-looking, naturally, is one of them.

"Daddy, those people?"

Luan'er, is looking left and right, here, there must be Daddy's thoughts, this hillside, well, although Daddy has always said that it is a hillside, but, look carefully, Daddy also said, this is a terraced field, and, obviously, there are several ditches on it, all of which have a fixed downstream, and, looking at those terraces, they are also inclined, this water, should flow into these ditches, and then, this water, there will be a fixed place to flow down, and then, um, there seems to be a ditch over there, oh, This should be a relatively large channel without a cap, perhaps, this hillside, this channel has also contributed a lot of soil.

Channel?

Ah, is there money, and there is also artificiality, and there is also a place to put the soil, and even, Yang Qiao is still lacking in this soil, so naturally, there is a more qualified sewer.

Well, why is it more qualified, that is, in this sewer, there seems to be a lot of communication cables missing, mainly at this time, there is no communication technology, isn't it?

The sewer, the only main sewer in the city, goes directly into an underground river, well, this is also found in the exploration of the time, however, when there is not much water flow, this water can not reach the underground river, but all the wastewater into a large sewage pool before entering the underground river, or called the sewage treatment tank, which will be sedimented, sediment, will be treated regularly, well, something will be extracted inside, and the water will go through the sewage pump, Pumps are pumped up the slopes and through culverts to fertilize the grasses.

However, what about this water, basically, what enters here is clean water, it has been treated, and after treatment, it will be filtered before it enters the sewer, and then it enters the ditch in the sewer, and then it flows into the sewage treatment tank.

Actually, it's not complicated, what about this sewer, high, three and a half meters high, is a semi-dome, wide, is five meters wide, well, Yang Qiao's own width and height, and the walls on both sides are built with some relatively large stones, well, Shenglei, only the top is built with cement, steel bars, etc.

Also, outside the wall, there is an open channel, but inside this channel, it is not water, but some filters composed of stones, sand, and stones, and then on the side, it is smashed with loess, well, on the top of the filter nullah, there are some green plants planted on the sand, this is not a plant to deal with pollution, but it's dusting, there are still some, this is the whole structure of this sewer.

Well, if it is useful, it is that this water, no matter how heavy the rain, basically falls, this water will quickly penetrate into the nullah, and then, through the filter of the nullah, into the sewer, and even, the water coming down the dirt hills, will also pass through a specific river, flow into the nullah, and then, and then flow into the sewer.

Well, it's a waste of money, just this channel or sewer, Yang Qiao needs to use a few shops to open his full strength to earn this consumption.

"Daddy, spending so much money to build such a sewer, is it a sewer?"

Luan Er didn't understand some words too well, so she asked this question.

"It's a sewer, you can call it a culvert."

"Daddy, is it worth it?"

In fact, some of the treatment measures on the surface are already very good, but this is another sewer, originally, the water in this city, as long as it enters the dark river or flows directly out of the city and into a river in the distance, but Yang Qiao actually built such a sewer, it is really a little puzzled.

The cost is big, well, transportation, and collecting stones, and also, which dome, which needs to be strong, and also needs to build a road on it, uh, above this culvert, is a small road, why is it a small road, mainly this culvert is not wide, well, and mainly on both sides of the open channel, is a channel for storing and filtering water, but this small road, as a through road in the city, is not small, mainly, this small road, will not go too many cars.

But, why is it such a culvert, enough, it is directly determined by the terrain, here, it is the lowest, no matter how heavy the rain, it will flow here, and it will not say where the rain gathers or something.

"Luan'er, haven't you noticed that there are any disadvantages in our family?"

"Disadvantages?"

Luan'er is a little confused?

"Well, when it's raining!"

"Hehe, the Lun family knows, the Lun family knows that when it rains, it is difficult to walk inside the palace, and there are some places where there are puddles, and it is easy to fall into it.

"Well, so is our family, why are you daddy?"

"I didn't design it at the beginning, right, it's not that my father didn't design it, it's mainly the yard in this house, it's been expanding, expanding, every time it expands, it's going out to a place alone, not next to each other, it's not, it's a little messy, so, at this time, I want to build this small city first, and, this culvert, but it's the most important thing, perhaps, it will also give the saint some inspiration, and, at this time, in Chang'an City, this culvert, there is no yet, temporary, it's just a cement sewer pipe, and then, It's the use of the river in the city, but it still needs to be treated, and it can't flow into the river all the time, have you seen it, except for the river related to us, everything else is relatively dirty, although it is clear, it is also dirty. And this small city, as well as this dark river, these hillsides, are just an experiment, who said, this city construction, must be leveled, is it not allowed to have the existence of hillsides, and, you have not found, in the experimental field at home, these grasses, are flowering, although they absorb dirt, but this flower, is very beautiful, very fragrant, so, this outside, is not a test field, but an ornamental field. ”

"Look, sure enough, this building, can?"

"Well, didn't you notice that the roof of the building built over there is flat, and it doesn't require it to be good-looking."

Well, by the way, over there, on the roof of the building, Yang Qiao actually rose up to the beautiful eaves of the roof, but directly used the flat roof, which looks like a big box.

"Daddy, why?"

Why, in the future, there will be some flowers and plants planted there, these buildings will become a green building, that is, outside, there are many places, will use climbing plants, above, it is planted with flower pots or something to appreciate plants, well, this small city, is not only a science and technology city, but also a green city.

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