The weather was getting hotter, and just after about the morning, beads of sweat were already appearing on Xia Hongsheng's forehead. wiped a handful of sweat from his forehead, and looked back at Ma Zhou, who was a step behind him on the left, and there was also a layer of sweat on his forehead. Perhaps, it is not just the weather that is gradually heating up that makes them sweat?

The military academy behind him was peaceful, just like every ordinary day.

Xia Hongsheng had just received the news from Duan Zhan's personal soldiers and fast horses, Li Shimin led a group of civil and military ministers out of the Vermilion Bird Gate, and they were about to come here, and they were about to leave Chang'an City.

Xia Hongsheng was shocked when he heard the news, and hurriedly notified Ma Zhou class by class, so that those instructors and military cadets were ready, and let them show that they did not know in advance that the emperor was coming. It was Duan Zhan's personal soldiers who came to ventilate the news, so it must be Li Shimin who was preparing for a surprise inspection, Duan Zhan got the news from Duan Zhixuan in advance, so he immediately sent his personal soldiers to inform him. Although these three hundred people had been preparing for this day for several months, Li Shimin's sudden attack still made Xia Hongsheng a little nervous.

The pavement in the military academy has basically been hardened with cement, and when I looked around, it was kept very clean because of the usual perfect rules. The 300 military cadets cherish their broken school very much, so they also take great care of the facilities of the military school. At this time, they were studying in the morning theory class, because they "didn't know" that Li Shimin was coming, so they should do what they should do at this time. I went to the cafeteria and checked the environment of the cafeteria, whether the wooden plates were cleaned, whether there were any traces of leftovers on the ground, and whether the inside of the cooking room was kept clean...... The military academy went around again inside and out, and saw that it was well maintained. My heart finally fell back a little.

"Brother Xia, don't worry, these people have been preparing for this day for so long, Zhou believes in them, there will be no mistakes." Ma Zhou felt Xia Hongsheng's anxiety, so he opened his mouth and said with relief.

"I know, but I'm a little nervous. It is a matter of whether or not military schools can be successfully established. There is no room for mistakes, and there can be no mistakes. Xia Hongsheng smiled bitterly and shook his head: "I also believe in them, but I just believe in them, but I am still a little worried after all!" ”

While talking, the two had already walked out of the cafeteria, because they wanted to pretend not to know that Li Shimin was coming, so the two were going to wait in the office.

As he was walking, he saw the guard of a military academy in front of him running over in a hurry and ran to Xia Hongsheng. said to Xia Hongsheng: "General, someone is here!" Be...... It's General Duan! And several generals! General Duan asked the little one to come and ask the general out! ”

Listening to his words, Xia Hongsheng knew that it was Li Lao Er and his party who had arrived, and this soldier had never seen the emperor, so he didn't know that the emperor was also coming. Xia Hongsheng also came to the conclusion from this that it seems that Li Lao Er came from Weifu.

Xia Hongsheng and Ma Zhou glanced at each other, then took a deep breath, and the two of them went outside to greet each other.

Walked along the concrete road to the outside. I saw a group of people dressed in civilian clothes, squatting on the ground curiously touching and knocking around with their hands. Xia Hongsheng and Ma Zhou hurriedly walked over, swept slightly, and immediately changed into a look of surprise, and immediately ran to Li Shimin in a few steps, and immediately bowed and saluted: "I don't know that Your Majesty has arrived, and Weichen has missed the distance." I hope Your Majesty will forgive you! ”

"Hehe, let's all be flat." Li Shimin waved his hand and said, "No need to be polite, I came here today, and all the ministers are also dressed in civilian clothes." I just don't want people to recognize me. The matter you said about the military academy a few days ago, I thought about it for a long time, and the more I thought about it, the more reasonable I felt, so today I brought Zhongqing here to see the actual effect. ”

"The ministers should greet Your Majesty and all the lords." Xia Hongsheng bowed down and said, "It's just that His Majesty didn't notify Weichen today, but he was unprepared." ”

"That's how you can see it." Li Shimin stroked his beard, and then asked: "I promised to let you manage these three hundred people according to your own wishes, I don't want to have a surprise before you just come today." What is this earth? It was extremely hard, but it was so smooth that it wouldn't break if you smashed it hard, and it wouldn't be too bumpy to let go of the carriage and run fast on it. ”

Xia Hongsheng smiled, knowing that Li Shimin would definitely ask as soon as he saw this. Looking at the ministers around him, they all stood up, except for Cheng Yanjin, who was still there and stomped his foot to compete with the concrete floor, they had all looked at it, and they were all waiting for Xia Hongsheng's explanation.

"Back to Your Majesty, this thing is called cement, and it is made of lime. After the cement is diluted back when exposed to water, it then condenses and hardens into a whole, and after the cement is mixed with hard gravel, the cement will firmly condense the gravel together, as hard as a stubborn stone. For example, cement is a 'fish gelatin' that can tightly condense the stone into a whole, and then smooth the cement on the surface while the cement is not dry, and after drying, the surface is smooth. And the cement ash is exchanged and stirred, and it will become hard again after softening and molding, and it is not afraid of water and fire after hardening, and it is hard and wear-resistant, which is a rare good material for road construction and wall building. Xia Hongsheng explained to Li Lao Er and the ministers of civil and military affairs: "Your Majesty, you see, this road, together with the ground of the entire military academy, is hardened with cement, which is not only strong, but also smooth, and will not be destroyed even if trampled by thousands of horses. ”

"Is this really that amazing?" Li Lao Er asked in surprise.

Xia Hongsheng thought for a moment and said, "In this way, it is better for Weichen to take His Majesty over to see it with his own eyes, and then he will know." It just so happened that there was a small piece of cement hardening inside. ”

Li Shimin was obviously very interested in this material, and immediately nodded: "Go!" ”

Everyone followed Xia Hongsheng along the cement road into the military academy, and it was very novel to step on the hard and smooth cement pavement under their feet along the way. When we reached the small piece of land on the side of the military school, there was only a dirt road that was only seven or eight paces square to the left and right. There were a few people working on what seemed to be a shelf, but from which several ropes had been built, and the ropes were not directly attached to the shelf, but to several metal wheels, and at the other end of the rope was a square boulder, which went around several pulleys, and at the other end was in the hands of a craftsman. He threw himself back with all his might, and the boulder at the other end of the rope was immediately pulled up, and then fell heavily as the man let go.

"This person has a lot of energy!" Wei Chigong pointed at the man in amazement and said.

"Your Majesty, the original sandy pavement must be tamped before the cement is laid on the pavement, otherwise the cement layer on top is easy to crack after the cement is paved." Xia Hongsheng explained: "As for that person, hehe, his strength is far inferior to that of several generals!" ”

"Little Housheng, don't deceive the old man, even the old man, I don't dare to say that I can pull up the boulder by myself!" Li Shiqian was the first to express skepticism.

"The last general doesn't dare to deceive the general, if the general doesn't believe it, just try it." Xia Hongsheng said to Li Shixuan with a smile: "The key is in those wheels, with those wheels, even the last general or Ma Zhou Brother Tai can also lift that boulder." ”

Li Shixuan listened to Xia Hongsheng's words, looked at the wheels, was very curious, seemed to be a little moved, and wanted to give it a try, but he was a little hesitant, as if he didn't pull it up, wouldn't he lose face in front of so many people.

"Let General Ben try!" Wei Chigong obviously didn't think about it so much, and felt novel, so he went directly to try it. I saw a big stride over, let the craftsman dodge, and then I picked up the rope with one hand and wrapped it around my arm, and pulled it back violently, and I saw that the boulder on the opposite side suddenly rose to a high height, and I couldn't help but be surprised, put down the boulder, and said, "Huh? Your Majesty, this thing is weird! With such a big boulder, it is effortless to pull it up! ”

As he spoke, he pulled several times in a row.

"This ......" Li Laoer's eyes widened, and he looked at Xia Hongsheng in surprise: "How many wheels are there here...... This is also a lattice thing? ”

Xia Hongsheng nodded: "Yes, Your Majesty." Weichen once said to His Majesty that Gewu is everywhere. ”

When several generals saw that Wei Chi Gong was constantly pulling up the boulder, as if he was pulling out the mountain by himself, his eyes were suddenly red and itchy, and they all went over to fight, and pulled up one by one.

"General, general...... This ......" The craftsman who had been pushed aside early looked at a group of generals who were competing for the huge stone there, and looked at Xia Hongsheng with stunned eyes, not knowing what to say.

"It's okay, so many generals work for you, what a face! Don't you see that everyone else is going to die of red-eyedness? Xia Hongsheng lowered his voice and whispered to him: "You just take the opportunity to rest for a while!" ”

Li Shimin looked at the generals who easily pulled up the boulder, and said to Xia Hongsheng: "The way of Gewu is really magical, just a few iron wheels can make ordinary people pull up such a boulder by themselves, it's really ......."

Xia Hongsheng smiled and lifted a cloth bag: "Your Majesty, this is cement, mix it with gravel and gravel and mix it into a paste with water, and then shape it, and after it dries, it will be what you see." ”

As he spoke, he pointed to the place where the road was being paved next to him, Li Shimin walked over and saw that a few craftsmen had liven up the cement and paved it on the road to smooth the surface.

"In this way, as soon as the cement is dry after the International Day, it will be the road surface." Xia Hongsheng explained to Li Shimin: "If you use this thing to wrap the bricks and stones and build a wall to build a city, the entire city wall will be as solid as a rock, and ordinary trebuchets will not be able to smash it across." ”

Li Shimin's expression suddenly turned grim, and he was about to speak, when he heard Xia Hongsheng say again: "Now only the kiln on Weichen Zhuangzi can burn cement, except for Weichen and the old kiln, no one else can burn this thing." ”

"That old kiln head ......" Li Shimin listened to Xia Hongsheng's words, nodded, and said: "Is he also presiding over the burning of glass?" Charge him into the Aircraft Workshop! ”

"Wechen obeys!" Xia Hongsheng bowed and bowed, this is what he thought. (To be continued......)