"Father, why are you here?" Li Chengqian flashed toward Li Xiaogong and let him in, so that he had time to face Li Er.

"Say, what are you trying to do again!" Looking at Zongzheng Temple in front of you, Comrade Li panted and asked with anger.

So many people ran around the palace, transporting sand and boards at the same time. As long as they are not fools, there is nothing they can't notice. How could they not come and take a look when they noticed it?

Since Li Chengqian was locked up, he has not heard about him for more than half a month, which makes Old Li more or less uncomfortable. He was thinking about how Li Chengqian was doing at Zongzheng Temple, but he never thought that just after he left the court, he saw the craftsmen busy transporting materials when he left the hall.

With a certain premonition that arose in his heart, Lao Li decisively followed the craftsmen and planned to verify his guesses. The result... the scene can be described as crazy.

I was still well in the Sonzhengji a few days ago, but it has become terrible in half a month.

There were bricks, tiles and gravel everywhere. The largest room had been demolished to the bottom of the foundation. The courtyard walls were basically gone, and they turned into pieces of broken bricks piled together.

"Father, Uncle Wang of Hejian said that Erchen has no hope of going out this year, so Erchen plans to clean up and prepare for the winter." Li Chengqian glanced at Li Xiaogong who was running around in the yard and said to Li Er.

"Winter? You are ready to go through the winter now? Then should I give you two sets of furs to wear?" Old Li said with an ugly face, not having the trick of Li Chengqian complaining to Li Xiaogong.

"Uh~, there's no need for this." Li Chengqian said awkwardly. If you wear a fur in this summer, it might be so hot.

"No? I think it's very useful! And you can see what you are wearing, what kind of mess you look like, and whether you look like a crown prince." Old Li became more and more angry as he spoke, and his finger was about to hit Li Chengqian's forehead.

"Father, this clothes are something that Erchen is experimenting with. They are wearing cooler in summer. If Erchen hadn't been unable to get out, he would have thought of making a few sets for you and your mother to send them!" Li Chengqian leaned back and pulled his clothes, saying aggrievedly.

"Pretend to pretend to be pitiful and say what do you want to do?" Li Er asked at the mess behind Li Chengqian.

Lao Li just said that when it comes to clothing, the people of the Tang Dynasty were open and they didn't talk much about clothing. As long as they were not seen by the censors in the palace, even he himself usually wore Hu clothes.

"You have seen it all. Erchen plans to renovate the house. This residence is so stuffy and a little bit unpleasant." Looking back at the messy yard, Li Chengqian said with a bitter face.

"You are not repairing, you are demolishing, and you have demolished half of Zongzheng Temple." Li Xiaogong, who had been walking around Zongzheng Temple, walked over from afar.

"Uncle Wang of Hejian, don't worry, I promise to give you a better one in two days, won't it be better?" Li Chengqian was afraid that Uncle Wang would add any more damage to him, so he quickly blocked his next words.

The old man was already angry enough. If Uncle Wang added a few words and added fuel to the fire, he would really not be able to live.

"Two days? You can repair it in two days?" Li Xiaogong said with a joke-looking expression on his face.

"Three days, up to three days." Li Chengqian said with three fingers stretching out his hands.

"Sure, this is what you guy said. If you can really get back after three days, I will plead for you. Please forgive your father for this slap; if you can't get back after repairing, hehe, don't blame me for taking the blame." He looked at Li Chengqian again with a scrutiny, and the unscrupulous old man Li Xiaogong said.

"Prince Hejian, you are really unwise to bet. I'm afraid you will lose a lot." Changsun Wuji walked around the yard, and finally stood by the sand and cement that had been pushed halfway through, joking Li Xiaogong.

The old fox Changsun is famously cunning. As soon as he said this, he attracted everyone's attention.

"Wuji, hide it and make it clear." Li Er's attention was also attracted by Changsun Wuji, and said as he looked at the push of sand under his feet.

"Chengqian, let's talk about it. What are these on the ground?" Changsun Wuji asked, blinking at Li Chengqian.

He gave Changsun a thankful look. Li Chengqian did not care about the pile of living sand on the ground. Instead, he walked to the edge of a pile of pockets and patted it on it and said, "I will introduce you to you the latest product of Carboniferous Co., Ltd., a building artifact that will be widely used in military and civil affairs, is a building artifact that will be widely used in the military and civil affairs."

"Don't fart, talk well." "Bang" the old man slapped Li Chengqian on the back of the head.

"Uh." Retracted the head that was almost slapped into the cement, looked back at the old man with resentment, and pursed his lips for a long time, and found that even a tear could not be squeezed out.

"Cement and sand are mixed in a certain proportion and stirred with water, the adhesion between the masonry can be increased, and it is no different from masonry after drying. Moreover, cement is simple to use and has a wide range of uses, whether it is in civil buildings, military fortresses, or even bridges and roads."

As he tried hard to recall the introduction of cement in later generations, Li Chengqian said slowly. The main reason was that Lao Li came too suddenly, so he was not prepared at all, and his words were not prepared very comprehensively.

"Uh, Uncle Wang..." Just as Li Chengqian was a little exhausted and was about to stop and continued to say, Li Xiaogong had already arrived at the edge of the cement bag and a big hand inserted into the cement bag with a "poof".

"What's wrong?" The unscrupulous old man Li Xiaogong asked with his head frowned, holding his eyebrows.

"No, it's okay, but Uncle Wang, your hands... aren't burning?" Li Chengqian asked in a tangled manner after taking two steps away.

"Burn?" Li Xiaogong was a little confused, and then: "Donkey, what's this thing!"

He pulled his hand out of the bag and patted it hard on his body, slapped the cement on it. The unscrupulous old man finally felt that the cement was a little burning.

"Uncle Wang, this thing is similar to lime, it's all very burning." Take a step back and stay away from the old man on the verge of furiousness.

"You bastard, why didn't you say it earlier?" Li Xiaogong said angrily, wondering if he had hit a god in a row today, why was he so unlucky?

"If you don't have two, stop making trouble, Prince, let's talk about this cement." Hearing that it had military uses, Li Er immediately forgot the purpose of coming here, pulled Li Chengqian over, pointed at the cement and said.

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Chapter completed!