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The Night King's Mansion is now short of silver, and it seems that he really has to find a way to make money.

"Night Princess, we still want to come tomorrow." A girl said to Qi Feiyun.

"If you like it, come on." Qi Feiyun couldn't say anything, so she accepted the gifts.

"Then let's stay, the food in the Night King's Mansion is good." A girl said loudly, Qi Feiyun looks, what is this for!

"The Night Princess, don't smile." Madame sat beside Qi Feiyun, Qi Feiyun looked at Madame and explained: "Some time ago, Fang Jun scraped together the money, and it was all because our Guogong Mansion usually spends too much, there is a shortage of money, and it is more difficult to take out 50,000 taels, and the family can only save some money on rations."

But it's not a few days left, and next month our money will come down, and then it will be fine. ”

"Oh, no wonder!" Qi Feiyun couldn't say anything, so politely let them stay if they wanted.

As a result, the ladies were not polite, and left the girls behind when they left.

Qi Feiyun left and felt that the routine of the Guogong Mansion was too deep.

There were a lot of people from Yun Luochuan's side, and Qi Feiyun didn't go over to speak.

When I entered the sulfur pool, I wondered about Nangong's slick body.

"What's wrong?" Nangong Ye took off her clothes and waited for Qi Feiyun to pass, and saw her standing on the side wrapped in the bathrobe she had made.

Nangong Ye only dislikes Qi Feiyun's homemade bathrobe, which is tightly covered every time, which is not as good as their belly pockets.

Qi Feiyun asked: "The women of the Guogong Mansion are rumored to be fierce, why are the ladies who came today not like that?" ”

"Confused? The women of the Guogong Mansion are talking about the daughters of the Guogong Mansion, but the daughters-in-law of the Guogong Mansion are not necessarily from the military general's mansion, some of them are from the civil officials' families, and most of them are knowledgeable. ”

"No wonder." Qi Feiyun came down from the water platform at this time, took off the bathrobe on her body and walked down.

Nangong Ye was busy picking her up: "This king went over." ”

Qi Feiyun nodded, waited for Nangong Yedao's side, and carried her down.

When she got to the water, Nangong Ye had to take off the silk skirt on Qi Feiyun's body.

"Why does the princess wear so many layers of clothes, there is no one else here, and she is reluctant to show this king?"

"It's pajamas, wearing a little bit of it looks like I'm subtle, or it's not easy to wipe. Gun go. Fire. ”

"This king likes the pleasure of the bed, and is afraid of what will wipe the gun away. fire, the husband and wife should be more enthusiastic, so that the relationship between the king and the princess is good"

"The prince is really not ashamed."

The two of them flirted back and forth, Nangong Ye picked up Qi Feiyun and put it on the stone: "Married to the princess, where does this king know what shame is?" ”

"......" Qi Feiyun hooked Nangong Ye's neck and enjoyed bliss.

The next morning, Qi Feiyun and Nangong went to Du Fangjun at night, and the two of them walked twenty miles in a carriage before they reached the feet of Du Fangjun, looked up and Qi Feiyun looked at it for a while and said: "If this Du Fangjun is not repaired well, once the rainy season comes, the amount of water upstream will increase, and the water will wash everything down when it rushes to this side, and even if it is a god at that time, there is no way to save the people downstream." ”

Nangong Ye looked: "The princess also knows about the construction of the dam?" ”

"There are some, after all, we have a lot of these dams and bridges, so I know a few." Qi Feiyun stood for a while, her brows furrowed.

"Lord, have you thought about it, if the rainy season comes, it's just like this here, what should I do?"

"That's also something that can't be helped, Sikong Xiang said that if the construction of Du Fangjun is not completed as soon as possible, I am afraid that there will be a bigger problem.

Some time ago, Fang Jun had already completed it, but Sikong Xiang observed it a few times, but it still didn't work, the above place was rebuilt after being picked, so the silver money began to be in short supply.

It's okay for this king to lead the army to fight, but if he wants this king to study this thing, this king seems to be powerless.

It has not been built for so long, and it is the incompetence of this king. ”

Nangong Ye felt guilty about the construction of the dam.

If it weren't for him, this wouldn't have happened.

Qi Feiyun thought for a moment, turned around and began to observe the surroundings.

Thinking of something, Qi Feiyun walked into the distance, and Nangong Ye followed her.

"Slow down." Afraid that something would happen to Qi Feiyun, Nangong Ye followed closely.

Qi Feiyun walked for almost an hour before stopping.

She stood in a place where she could see her surroundings relatively well, looked at it for a while and turned to go up, and Nangong Ye then followed her and continued to walk.

"If you want to go there, it's okay for this king to carry it on his back, don't go like this." Don't worry about Nangong Ye pulling Qi Feiyun.

"No, this body is well conditioned, I'm fine, Lord Wang, I thought of a way to build Du Fangjun."

"Really?" Nangong Ye smiled and took Qi Feiyun's hand and kissed it.

"What a blessing this king is to marry Yunyun."

"Come less, let's go up, I'll see, you call Sikong Shangshu to come."

"Ah Yu, go and tell Sikong Xiang that we have to talk about things above."

"Yes."

Ah Yu turned around and left, Qi Feiyun and Nangong Ye quickly arrived at the top, Qi Feiyun stood on the top of the dam and looked around, already thinking about what to do.

Sikong Xiang soon came here, Qi Feiyun took a pen and paper and began to draw, explaining to Sikong Xiang while drawing.

"If you only use stones, the dam will quickly collapse because it is too high, and if it collapses, it will cause casualties of people and animals downstream.

So we're going to make cement. ”

"What is cement?" Nangong Ye didn't understand.

"It's a mixture of limestone, clay, and iron ore powder, and put it between the stones, which can consolidate the stone and make the walls more solid, but there must be limestone around, I have observed, there is no here, I will look for it outside the capital, that kind of thing is easy to find, iron ore powder and clay are easier, and after mixing, it must be fired, and kilns must be built around.

I want to build a fish pond under the dam for more than a kilometer, which is equivalent to a lake, and the fish pond should be two meters deep, and according to the scale of the dam, the impact force is two and a half meters, which is enough.

The surrounding villages were immediately moved, and the fertile land was not used.

However, the fertile land should be separated from the fish pond, and there should be an irrigation outlet in the middle, so that if there is a real flood, the water will be directly diverted for irrigation.

And under the fertile land, in the fertile field continues for dozens of miles, build a wraparound canal storage tank, so that even if it is a big flood, the water will be stored, of course, this is the first step, there must be a drainage outlet under the canal, this drainage port must be able to lead to the big river, so to be close to the big river, once there is a bigger flood, there must be someone to open it immediately, so that the water from there will go through another process, into the big river.

The imperial court can allocate money, build a water station there, arrange a few people to watch, patrol regularly, block the frozen place with sandbags in winter, and ask people to guard there when the rainy season comes, once the flood comes, it is also convenient to quickly open the drainage port there, and the drainage port is fixed on both sides with bamboo weaving, and sandbags are placed in the middle, even if the world is urgent, take down the bamboo nets on both sides to fix, and the water can be washed away, even if it can't, I can also think of other ways to remedy it in time.

Speaking of dams, in the past, we needed one dam, but we built two, so that after the water of the dam hit down, there was a small one, and the water flowed to ensure that the impact force of the water was reduced. ”

Qi Feiyun drew well, and Sikong Xiang was stunned.

Qi Feiyun asked, "Sikong Shangshu, do you have any other ideas?" ”

"Okay, I've always been unable to figure out what the hell is wrong with me, but now that I look at it, I finally understand that the power of water is very strong, and no matter how many dams I build, it is useless, and I can't resist it at once.

But if it's diverted, it's different.

Princess, you are really amazing, the old man admires the five-body throwing to the ground! ”

"......" Qi Feiyun was melancholy, in fact, when she went to play, she saw that the dam was like this, and the tour guide said it, and she remembered it.

Now that everything is the same, she simply borrowed it.

"Prison Country, act immediately, I will prepare all the works of the dam, the reservoir below, and the cement problem to the Night Princess."

When Sikong Xiang said this, Qi Feiyun suddenly realized that she had found trouble for herself.

"Okay, let's go our separate ways, Ah Yu, you go to the General's Mansion immediately, dispatch 3,000 elite soldiers, and say that I want to dig a pit." Nangong Ye made a quick decision.

"......" Qi Feiyun was speechless, how could she find the General's Mansion for anything.

Leaving Dufang Jun Qi Feiyun to take the carriage back, she was thinking about finding limestone all the way, Nangong Ye asked, "Stupid?" ”

Qi Feiyun shook her head: "If you want to use limestone, you have to use gunpowder, gunpowder is too lethal, it will cause the peeps of many countries, if it is obtained by someone with a heart, it will also cause trouble."

At that time, if someone wanted to rebel, let alone 108,000 people, it was 1 million, and it would be in the blink of an eye if they wanted to be eliminated. ”

"Gunpowder?" Nangong Ye was quite surprised.

"Hmm." Qi Feiyun told Nangong Ye the principle of gunpowder, and Nangong Ye was a little shocked when she heard it.

"So Yunyun can refine gunpowder?" Nangong Ye's face was solemn.

Qi Feiyun disagreed: "Our military doctors are different from your military doctors, you can see a doctor and save people's lives, but we must be able to fight and go deep into the enemy camp, not only to die unyieldingly, but also to be proficient in organs, and the most important thing is to endure humiliation and burden, even at the cost of life."

If you can't do anything like making gunpowder, you're a waste.

Superb medical skills are a necessary condition, but other conditions must also be excellent.

I'm running away with incredible speed, I'm reflexive, and if someone approaches me, I can take their lives before they get close to me, and that's our medics. ”

Nangong Ye pulled Qi Feiyun into his arms: "What does this king need, Yunyun just needs to stay by this king's side and accompany this king." ”

At this time, Nangong Ye felt an indescribable distress, thinking of a woman who did what a man did, Nangong Ye was uncomfortable.

"Lord Wang, I can make gunpowder, but I must not let people know that according to the current season, Du Fang Jun urgently needs cement, if you don't blow up the mountain, it will be too late.

But someone will definitely know about it, so the fewer people who know it, the better.

The prince must be sure. ”