Zhang Zhaohua stayed in Cao County, while Yang and Jiang Tingqi returned to Jinan, taking the big tiger and the little tiger with them.

She dressed herself like a peasant woman, and went in while the river workers were having dinner - the river workers had lunch at noon, there was a big stove, and there were also women in the family who came to deliver the food, Zhang Zhaohua also carried a basket and entered the river embankment to look east and west.

I saw that there were three flags raised at the head of the embankment, guarded by officers and soldiers. The so-called three liters are to raise the yellow flag with soil, raise the red flag with stone, raise the blue flag with willow grass, the work has been completed, and now it is to continue to strengthen the embankment, the embankment of Cao County is Jialuxiu, which has been washed away in several places.

Lin Fang and other river officials are located in the shed is very easy to identify, and the words 'Puqing Anlan' are written on it. Zhang Zhaohua stretched his neck to look, and saw that there were people coming and going, and when it was time for dinner, some people were waiting outside the shed with food boxes, but people came out to take it for a long time.

But there was a person who came out slowly, Zhang Zhaohua looked at this person a little familiar, and couldn't help but shout after looking at it: "Yang Shiqi?"

Yang Shiqi's ears are quite good, and in such a noisy environment, he can still hear the voice calling his name. He followed the sound and saw Zhang Zhaohua as well.

Yang Shiqi was obviously taken aback, his face changed, and he stretched out his hand to rub his eyes, and finally he was sure, hurried over, and said in a low voice: "Niangniang, why are you here?"

"Let's take a look. Zhang Zhaohua said, "Why are you here?"

Yang Shiqi said in a low voice that he had finished burying his aunt, and when he heard about the big water in Cao County, he rushed over to take a look, and he said that he was very anxious to persuade Zhang Zhaohua to go back to the palace immediately, saying that the big water here has not receded, it is considered a dangerous place, and the son of a daughter can't sit down or something, especially when he heard that Zhang Zhaohua now has only one palace maid by his side, which made him even more uneasy.

Zhang Zhaohua refused to listen to him, she wanted to inspect the river work, check the Yellow River disaster, Lin Fang this time to control the water, there was no time to explain his concept and method of river control, although Gao Chi repeatedly praised his talent, but Zhang Zhaohua is still not at ease, the river is a hundred years of plan, related to the life and death of tens of millions of people, naturally we must be cautious and cautious.

"Lord Yang," Zhang Zhaohua couldn't help but smile when he saw that Yang Shiqi was still going to persuade him: "This time I'm going to be wronged, I want to inspect the river workers, it's not easy to walk, so I can only use the identity of your family!"

Yang Shiqi was really stunned this time, and Zhang Zhaohua also felt very novel to see this expression from his always steady face. At this time, he suddenly heard the sound of quarrels in the shed, and Zhang Zhaohua involuntarily walked in. Yang Shiqi followed her, wanting to speak and showing a very helpless look.

“…… Have you ever thought about why the Yellow River is in Caoxian, Shanxian, Dangshan, and Xuzhou, and has a direction in the east and west," Lin Fang pointed to the map: "Because it does not flow eastward along the Jialu River, but flows from the Vortex River and the Yinghe River. Now the Jialu River is dredging and dredging day and night, but it will take time to wait for it to be diverted, and the people of Jianghuai Shandong will not be able to wait for much time. ”

The course of the Yellow River is constantly changing, and even if the former channel into the sea is dredged, it only flows for a few days.

The people in this tent were all experienced river control talents, and they soon pointed out a direction in one direction: the north of the river exit mountain (more than 40 miles north of Xuzhou), the sluice river is silted, and the south of Xuzhou is the second flood to dry up; only more than 40 miles from the mountain to the small pontoon bridge is the best river to enter the sea.

It is very cheap to enter the sea from Huai, but if it is not done well, the danger is quite great - because taking Xu Pei into Huai, a section of the Yellow River from Xuzhou to Huaiyin is a canal, and the Zhangqiu Canal in Shandong is also very important. Every year, 4 million stones of grain are transported from the southeast to Beijing, and the canal is a matter of political power and must not be neglected.

"Build an embankment," said Huang Chu, an official who controls the river, "build an embankment on the north bank and divert the river on the south bank." ”

Everyone present nodded involuntarily, Zhang Zhaohua nodded, but shook his head again.

"Repair the former embankment," the man explained his method: "build a northeast estuary to inject the Yellow River, so that the Yellow River flows down to Xu and Pi, and from Huai to the sea." ”

Huang Chu even said: "It's like a pot with a hole, and the difference between a pot with five holes, it must be the water in the five-hole pot that dries up first." "His method must be to take care of the Grand Canal first, which is the lifeblood of north-south transportation, and the emperor must also have this idea, so he must not make the Yellow River break north, but guide the river to the south.

"What if the Yellow River is decided in the south?" Huang Chu said endlessly, but suddenly heard such a questioning voice.

"Many branches of the Yellow River are diverted and discharged," Huang Chu said, "how can it be decided in the south?"

He is right, just take the distance between its one-hole pot and the five-hole pot, whether the one-hole pot is likely to burst, it is possible, and the same amount of water, the five-hole pot will definitely not burst.

"What you want to say is pure water," Zhang Zhaohua said, "Diversion is naturally the best way, but the Yellow River is not water." ”

"It's funny," Huang Chu said, "What is the Yellow River not water?"

"The Yellow River is water and sand. Zhang Zhaohua said.

If the Yellow River had only water, it would not have bothered the people for 2,000 years, because it has the largest amount of sand in the world, and sand and water constitute a complex and changeable problem, which is why the Yellow River is so difficult to govern.

Huang Chu raised his eyes to look, but saw that it was a young woman who asked the question, and couldn't help but say angrily: "Who are you, how can you enter the tent of the governor of the river, and don't retreat quickly!"

Yang Shiqi stepped forward and said, "Offended, this is Neizi, talking nonsense." ”

The people in the shed have not seen Zhang Zhaohua, and so has Lin Fang, he is the new Langzhong of the Ministry of Works, and Zhang Zhaohua has not had time to see him. So Yang Shiqi said that she was an insider, and naturally no one doubted it.

Lin Fang smiled: "It turned out to be Mrs. Yang, you just said that this method will not work, the Yellow River will be decided in the south, right?"

"Lord Lin is gracious," Zhang Zhaohua said: "What the adult said just now is that the concubine agrees, but what he said is that the division of the Yellow River is small, and the combination is big, and the concubine does not agree." Because the Yellow River is sandy, if the water is divided, not to mention the 500 li river channel that will lead to the outlet of the river to the Qing River, the water source will be greatly reduced, and the canal transportation will be difficult; but if the water is divided, the water potential will be weakened, which will inevitably lead to sediment deposition and silt up the river. If the river is silted up, the river will be changed, and below Xuzhou, there will be many branches, or cross, or reverse flow into the Cao River, or to the mouth of Huling City, scattering the lake, not only does not bring stability, but wanders more, so that the people suffer more. ”

"And how can your lord let the Yellow River go south and ignore it?" Zhang Zhaohua said: "The ancestral tomb of Sizhou, have you forgotten?"