The soldiers who were watching the excitement were also stunned by the scene. The major general hammered down so hard, but the concrete wall didn't move at all. It was just a layer of cement, but the change was so big.

Gu Jingzhi didn't care what other people thought. He took a step back, swung the hammer again, and hit the wall hard. Without waiting for the wall to react, he hammered it down a few more times.

This time the wall finally changed. The violent hammering caused it to tilt. After a few more hammers, the concrete wall could no longer hold its own and the doctor fell to the ground.

Unlike the earth wall that was cut in half and shattered into pieces, the concrete wall fell straight down. The moment it fell, it made a muffled sound when it hit the ground, splashing up dust.

There were bursts of exclamations coming from all around.

"This cement wall is too strong!"

"Yeah, it hit the ground like a rock."

Looking at the concrete wall that had fallen to the ground, with only some cracks and debris in the center from being hammered, everyone's eyes flashed with fanaticism.

"If we use this stuff to smear the city wall, I can't even imagine how strong it would be."

"I didn't expect this thing, which looks unremarkable, to be so powerful."

Gu Jingzhi put down the hammer. His palms had become red and swollen from the repeated blows, but he didn't care about his swollen hands at all at the moment. All he could see was the unattractive concrete wall on the ground.

Although I had known about the benefits of cement from Li Xi a long time ago, I was still deeply shocked after trying it myself.

It's just some of the most common powders mixed with water, but you can get such a solid powder.

Li Xi also looked at the collapsed concrete wall with some surprise and raised his eyebrows. He didn't expect that their proportions were so good. It was not much different from modern solid cement.

Indeed, we cannot underestimate the wisdom of the ancients. Even in modern times when technology is more advanced, many ancient techniques are still difficult to achieve.

Old Zhao looked at the shocked and fiery eyes of the crowd and felt very satisfied.

"Okay, now that the fun is over, everyone can go home. The Major General and I have something important to discuss." Old Zhao started to chase people away.

The fun had been seen, and everyone present left tactfully.

Soon, only Lao Zhao, Gu Jingzhi and Li Xi were left here.

Lao Zhao glanced at Li Xi and said, "Miss, the Major General and I have something to discuss. Please wait here for a moment."

Old Zhao is different from young men like the Major General. He clearly distinguishes between public and private affairs.

Li Xi nodded indifferently, "Well, go ahead."

She glanced at Gu Jingzhi and said, "I'll wait for you here."

"Okay." Gu Jingzhi looked at her strangely, then followed Lao Zhao into the back room.

Perhaps in anticipation of Gu Jingzhi's arrival, a few armchairs were abruptly placed in the empty yard. Li Xi walked over and sat down, closing her eyes while basking in the sun and waiting for someone.

in the room.

"Major General, you have seen the effect of this cement. The person who developed the cement recipe is definitely a genius!"

Lao Zhao, the person in charge of cement, understood best how smart the person who could develop the cement formula was. He felt deeply disappointed that he could not meet that person.

He also wanted to ask in person why those common powders would turn into hard lumps as hard as stone after being mixed with water. He was really curious.

Gu Jingzhi nodded in agreement. That person was indeed different from others and always had so many magical recipes in his mind.

"In addition to being resistant to impact, we also tested it against water and fire. After the cement dries, it is impervious to water and fire. It is really a good material for building city walls." He couldn't even imagine how much the border's defense would be improved with this thing. They would also be more confident facing the invasion of the Huns in the future.

Their current city walls are glued together with glutinous rice mortar. Although it can strengthen the city walls, it is still far inferior to cement.

"How is it to make? Is it difficult?" Gu Jingzhi nodded. The performance of this cement is indeed excellent.

“It’s not difficult. Don’t be fooled by its powerful performance. It’s actually very simple to make. Just grind those things into powder and mix them together.

Apart from the labor cost, there is no difficulty at all." Old Zhao waved his hand and said.

Gu Jingzhi nodded when he heard this. The Huns near Jiayuguan had already been defeated by them. They would not and dared not to provoke again in the short term. The 300,000 Zhenbei Army at the border were idle, and the last thing they lacked was manpower.

“The issue of manpower is not a problem. If there are not enough people here, I can transfer some more people from the military camp.

We must ensure the production of cement. This material can be used not only to build city walls but also to build roads. The roads at the border are too difficult to travel, so we can take advantage of this period of peace at the border to build the roads as well."

Old Zhao also knows the benefits of building roads, and he has long been fed up with the dilapidated roads.

Gu Jingzhi and Lao Zhao made some arrangements about the cement, and then they came out of the room. When they came out, Li Xi was already leaning back in the armchair, dozing off. The warm sunlight shining on her body was really warm and hypnotic.

Gu Jingzhi slowed down his pace and walked over. Old Zhao stood there and looked at his back, then turned around and left tactfully. He still had to arrange the follow-up matters of cement and had no time to watch these two young people talking about love.

Although Li Xi fell asleep, she was not sleeping deeply, so when Gu Jingzhi came over, she opened her eyes. However, she did not sit up straight, still lazily leaning on the left side of the chair, looking at him with half-closed eyes.

"Have you spoken?"

"It's done, we can go now." Gu Jingzhi nodded.

Li Xi squinted her eyes and looked at the sun above her head. The sun was so comfortable that she didn't want to move.

But it would be no good if he didn't understand. Li Xi sat up straight and stood up, "Let's go."

……

The carriage was still bumpy on the return journey. Li Xi didn't even wait for the carriage to take her home. She asked to get off as soon as it reached the city gate.

She had better walk this short distance back as she felt really bad for her butt.

When Gu Jingzhi saw her getting off the horse, he also dismounted and asked the people who were following him to leave first. He stayed with Li Xi and walked back with her.

Li Xi felt the discomfort on her buttocks and cursed in her heart, what a crappy road!

She glanced at Gu Jingzhi beside her. This man was really a bit of a nuisance. If he were here, she could rub him without caring about her image.

Gu Jingzhi naturally didn't know that Li Xi was blaming him in her heart. Looking at her awkward walking posture, Gu Jingzhi frowned. It would be better to repair this road as soon as possible, otherwise she would not be able to go anywhere.

"Gu Jingzhi, now that the cement has been produced, let's repair the road as soon as possible. The people have been waiting for this day for who knows how long." Li Xi said seriously.

Gu Jingzhi: ...

The "common people" she was talking about couldn't be referring to just her. Other people didn't even know that cement existed, nor did they know that it could turn ordinary powder into solid stone, which was just right for road construction.

Those who have never seen the sun will not know the light, just like the people mentioned by Li Xi. From ancient times to the present, people have walked on this road. It may be uncomfortable, but they have become accustomed to it.

"you sure?"

Li Xi looked at him, "Sure.

Am I not one of the people?"

Gu Jingzhi: “…”

It was exactly as I guessed.

"The output of cement is good. I think cement roads will be built on the main roads at the border soon," said Gu Jingzhi.

After listening to this, Li Xi nodded with satisfaction, "Your efficiency is quite good."

"You're too kind." Gu Jingzhi chuckled, "Let's go, I'll take you home."

Gu Jingzhi and Li Xi were walking towards home. When they reached a certain place, Gu Jingzhi suddenly stopped and turned to look in a certain direction. Li Xi looked in the direction he was looking, but saw nothing.

Li Xi frowned, "What's wrong?"

"Nothing," Gu Jingzhi frowned slightly. He just felt that someone was staring at them in the dark, but when he turned around, he found nothing.

But since he hadn't discovered anything, he didn't intend to tell anyone and make Li Xi worry.

He hasn't found out the identity of the person who intercepted Li Xi that time, so don't talk about troubles to make her worry.

Li Xi didn't know that Gu Jingzhi was thinking of her. She followed the direction Gu Jingzhi was looking and saw a familiar inn. She frowned. If she remembered correctly, Mr. Wang and Madam Liu should be staying in this inn.

Although they had not spent much time together, Li Xi knew what kind of person Gu Jingzhi was. He was definitely not the kind of person who would act without a purpose. It was very likely that something had happened just now, such as someone was monitoring them.

At this time and in this place, Li Xi vaguely guessed something in his heart.

However, seeing that Gu Jingzhi was trying to cover up the matter, she did not ask any further questions. She did not take either Mr. Wang or Madam Liu seriously at all. One would have to be a fool to believe their poor acting skills.

There are always some people who think they are the smartest people in the world. In fact, they are overconfident and think that except them, everyone else in the world is a fool.

Gu Jingzhi, who had not yet had time to read his subordinates' investigation results on Mr. Wang, did not know that the inn not far from them was where they were staying.

After Gu Jingzhi and Li Xi walked away, a tightly closed window on the second floor of the inn suddenly opened from the inside, and the figure of Mr. Wang appeared behind the window.

During the time that Li Xi and his companions were out of town, Madam Liu had already seen a doctor, had her bones set, and returned to the inn.

Although the broken bones in her wrist had been healed, the slight pain from her wrist still made the pain-fearing Madam Liu turn pale, and she was full of dissatisfaction with Li Xi and her brother.

"Master, why don't we go back? I have raised these two children in vain. They don't take me, their mother, seriously at all." Lady Liu felt a little aggrieved when she said this. "I wanted to bring them here with good intentions to live a good life, but they treated me like this. You didn't see how much they went against me.

I asked someone to knock on the door for a long time, and they were clearly in the yard, but they pretended not to hear me and refused to open the door.

After I knocked on the door myself, the door opened, but as soon as the door opened, Li Xi poured out a basin of water. I don’t know what the water was, but it all poured on me. Tell me, is there anyone who treats his own mother like this?

I finally understand that they don’t take me seriously as their mother, and I can’t count on them if anything happens in the future.”

Mr. Wang didn't want to listen to her complaints, so he walked to the window. Unexpectedly, he saw Li Xi and Gu Jingzhi who were traveling with her. Maybe because his sight was too obvious, he was quickly discovered by Gu Jingzhi.

The moment Gu Jingzhi turned his head, Wang Yuanwai slammed the window shut. Fortunately, he acted quickly, otherwise Gu Jingzhi would have discovered him.

After closing the window and blocking out the view from outside, Mr. Wang breathed a sigh of relief.

Madam Liu, who had been complaining just now, was startled by the loud noise made by Wang Yuanwai slamming the window, "Master, what happened?"

How could Mr. Wang be in no mood to pay attention to her? His heart had already drifted away. He put his hand on the window, waited for a while, and then quietly opened a crack. He looked out through the crack and saw Li Xi and Gu Jingzhi walking away in the distance. Only then did he feel relieved and opened the whole window.

Looking at the backs of Li Xi and Gu Jingzhi, who looked like a perfect match, Mr. Wang became more and more certain that his previous guess was true.

If Gu Jingzhi had no interest in Li Xi, how could he, a major general, spend money to take a little girl like Li Xi shopping?

"Master? Master!"

Madam Liu called Wang Yuanwai several times but he didn't answer, so she held her wrist and walked to the window, leaning her head out to look, "Master, what's outside? Why are you so engrossed that you didn't even hear me calling you?"

Mr. Wang smiled and put his arm around her shoulders, "I think I saw Li Xi just now."

"Li Xi?" Madam Liu was stunned for a moment before she realized that this was the name Daya gave her, and Mr. Wang had told her about it before.

"Why are you looking at her? I'll consider this daughter of mine as nothing." Madam Liu snorted coldly and broke free from Mr. Wang's arms.

When Mr. Wang saw this, he knew that she was just throwing a tantrum. Although he was a little impatient, he still needed her, so he suppressed his disgust.

He smiled and hugged her again, taking her to sit aside, "Okay, you are already a mother, why do you still like to say angry words like this?"

"I didn't say that in anger," Madam Liu motioned him to look at her hands, "Look at how badly she hurt my hands. I can't afford a daughter like this. Whoever wants one can have it.

I’m afraid of shortening my life!”

Madam Liu is the only bridge between Mr. Wang and Li Xi, and Li Xi is an important factor in determining whether he can get on board the big ship of the Zhenbei General's Mansion.

He would naturally not give up on asking Madam Liu to give up her friendship with Li Xi. If that happened, how could he establish a relationship with the Zhenbei General's Mansion?

"You're just saying that out of anger again. The child is still young. Plus, considering what happened between you and me, it's normal for her to have some misunderstandings about you. As a mother, don't take it personally." Mr. Wang sighed and advised.

Just as Lady Liu was about to open her mouth to refute, she heard him say, "I know you have a sharp tongue but a soft heart. What I like most is your kindness and generosity.

Although the children are still young, they are sensible enough. If we talk things out, they will understand. "

Madam Liu looked a little unhappy: "..."

His words put her in a difficult position. What else could she say?

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