Outside Qingyang Mansion, the wide Qingyang River sparkles in the sun, shining with a small light.

The full name of Qingyang River is not called Qingyang River, but this section of Qingyang Mansion is called by the people of Qingyang Mansion.

Qingyang River is both love and hate for the people of Qingyang Mansion, with this Qingyang River, the irrigation of farmland in several counties around Qingyang Mansion is very convenient, and the land is also very fertile.

But the hateful thing is that the Qingyang River always has a big flood every two years, which can cause all the fields to be flooded and the harvest for a year to be wiped out, and the houses to collapse and the people to be displaced.

Therefore, water control has always been a task that the successive prefects of Qingyang Mansion cannot be exempted from, and Yin Shuangshuang is naturally not exempt from vulgarity, at this moment she is sitting in a sedan chair and inspecting the water situation on this river embankment.

The embankment of Qingyang Mansion was specially approved by the emperor to build cement, so it is very strong, and it is very stable to walk on it.

At this moment, I found a problem when I inspected this embankment, and the previous prefect of Qingyang Prefecture was obviously quite honest, and he was not greedy for the silver to repair the embankment, so the embankment was built with real materials.

It's just that although the embankment is built solidly, it doesn't look high enough, maybe the amount of cement given by the emperor is not enough, and there are only a few important points where there is a lot of cement used.

However, a section of the embankment is not only capable of a few important defenses, and if it really encounters a large flood that exceeds expectations, such a construction is obviously unqualified.

And cement is not omnipotent, and buildings like the powerful reinforced concrete in modern society will collapse under the impact of heavy water.

Nowadays, it looks like a very strong embankment, and if it encounters a once-in-a-century flood, I am afraid that it will not be able to stop it.

The most important thing is that the embankment of the Qingyang River takes the route of blocking rather than dredging, and the reason why this is so is because the Qingyang River is surrounded by fields.

Once the method of dredging is used, countless lands will inevitably be destroyed first, and the people of this era regard the land too seriously, and they are willing to damage it.

Moreover, even if the government can give up the land ruthlessly, it will be a big trouble to resettle the people who have lost their land, and at least it is necessary to redivide the land for the people who have lost their land.

And there are a number of lands, except for the common people, those of wealthy families, and it is impossible to dig up land from the hands of the family.

As for the reclamation of wasteland, the fertile land will not be left under the raiding of the family, and what is left is either land that is not easy to cultivate, or land that can only be reclaimed as inferior fields.

Not to mention that it takes at least a few years for the wasteland to be reclaimed to mature the land, and the taxes of the people will not be reduced by half a cent because the wasteland is planted.

Because of these constraints, in line with the idea that more things are better than less, the successive prefects of Qingyang Mansion have followed the old calendar of the previous term, and the methods of damming and reinforcing are used every year.

This method treats the symptoms but not the root cause, and there are always omissions, but it is a pity that those who are officials do not seek merit but seek no fault, and they can only drag on like this year and year after year.

Yin Shuangshuang is different, she has always been clean and neat in her work, and she must be clean of this flood to be comfortable in her heart.

The Qingyang River spans half of Qingyang Province, bypasses four counties, covers a huge area, and the Qingyang River is not only for irrigation, it is connected to the Beijing Canal, a major water road, and there are many boats.

It took Yin Shuangshuang a full month to take a look at the Qingyang River in Qingyang Mansion, and memorized all the water potentials.

After returning to Qingyang Mansion, Yin Shuangshuang made a sand table, took out the map book of Qingyang Mansion, and pondered how to deal with the flooding of the Qingyang River every day.

Ahem!

After running around for a month, even if he takes good care of him, he will inevitably suffer hardship, and as soon as Yin Shuangshuang comes back, he feels a little uncomfortable, always coughing and catching a cold.

Luo Linlang held the tray with the medicine bowl, stood beside Yin Shuangshuang, and sighed helplessly to Yin Shuangshuang, who had been busy: "My lord, the medicine is going to be cold, you better drink it quickly."

If you don't drink medicine, be careful if you are seriously ill, Dr. Ying will pour you to drink coptis water. ”

Yin Shuangshuang responded casually, and directly took the medicine bowl held by Luo Linlang and drank it all, Luo Linlang said wrongly, this medicine is not going to be cold, but it is already cold.

The cold medicine was extremely bitter in the mouth, and when it fell into the abdomen, it was an extremely cold ice, with a strong bitter taste, which was very uncomfortable, but Yin Shuangshuang put down the medicine bowl without reacting, and continued to look down at the map and sand table in his hand.

Luo Linlang opened her mouth hesitantly, and she had the intention to persuade her, but she knew that Yin Shuangshuang had never listened to persuasion when she was busy with business.

In the end, Luo Linlang still closed her mouth and didn't say anything, but quietly retreated, ready to get some hot porridge and side dishes.

Yin Shuangshuang was busy until the lamp was ten minutes, until Ying Chang'an kicked in the door in annoyance with the medicine bowl, and forcibly pulled Yin Shuangshuang away to eat and drink medicine.

It's just that with a bowl of rice in her hand, Yin Shuangshuang is drinking porridge, her mind is still thinking about water control, her eyes are a little dull, after thinking about it for so long, she now has some ideas about water control.

Where the Qingyang River passes, there is a large area of wasteland, which is very extensive, and this wasteland is never lush with vegetation, so although it occupies a huge area, it cannot be reclaimed as a field.

All the land cultivated by the people was subject to taxes, and the taxes were the same for both good and inferior land.

Even if the wasteland reclaimed by the common people is not taxed even if the production of weeds is low in the first few years, no one wants to reclaim the wasteland that can become fertile land.

That being the case, this place is just right for digging a huge lake to drain the flood, and most importantly, the wasteland is in the shape of a middle garden that grows on both sides.

The section of the Beijing Canal at the junction with the Qingyang River is in the shape of a big crescent, and the center of the crescent is exactly where this wasteland is located.

If a lake can be opened in the middle of this crescent-shaped Beijing Canal, let the front and back of the lake connect the canal, and dig the connection and the lake bigger.

Big enough for the ships on the canal to pass by, without the bend of the Beijing Canal, at least four or five days of sailing time can be saved, with this benefit, there is no worry about no ships passing by.

When the time comes, we will open a wharf at the location of the big lake, get some restaurants and inns, and by the way, we can also transport the sugar from Qinglin County and Linxian County from here by water, which can be several days faster than by land.

And a wharf is enough to drive a county to prosper, and the place that has always been lively is either with unique characteristic industries, or has become the center of a transportation hub.