"Old Lu, why are you doing this?" Ye Xuan held his chin and looked at Lu Song with a little confusion.

"Lord, the original city wall can be used for several years. Why bother to build a new city wall that is exhausted and damaged? It is better to use this manpower and financial resources to improve people's livelihood and promote trade." Lu Song said solemnly.

"Doing people and losing money?"

Ye Xuan's face was a little strange: "Not it..."

"Lord, can you tell me how much it costs to build the four-sided city wall?" Lu Song browed deeply, obviously thinking about the past, and said with great thought.

"I remember when I was still in the capital..."

Lu Song first talked about his experience back then. At that time, he did not build the city wall, but just repaired it.

Thousands of workers started work together, which took a long time and cost a lot of money. There were even many bloody incidents, all of which were suppressed by the capital.

Just repairing the city wall is already like this. You can imagine how the new city wall will be built?

What's more, Lu Song was shocked on the spot after looking at the drawings. Not to mention the size of the area, just the scale and structure of the new city wall. Once it is built, it may be comparable to the city wall of the capital.

What exactly did Ye Xuan think? Aren’t you afraid of the crime of usurpation?

With all kinds of thoughts in mind, Lu Song could no longer sit still, and left the official duties at hand and came to the city lord's house to pay a visit.

"Who said that building a new city wall will definitely cost a lot?" Ye Xuan said with a playful smile.

"Old Lu, the development of Hei Shui City is changing with each passing day, we cannot look at it with an old eye!"

"If you build the city wall in the old way, it is indeed as you are worried. I am afraid that it will not be completed in two or three years, and the funds will be spent like flowing water."

"However, the new wall of Heishui City is built using a new construction method, and does not require too many craftsmen. Two hundred people are enough, and it will not consume too much resources. It will definitely be completed within one year!"

"What, one year?"

Lu Song was shocked again. It took him two years to preside over the repair of the capital wall.

Although the size of Heishui City is far less than that of the capital, the new city walls in this circle are definitely not small projects. Even if there is a new construction method, it is too exaggerated to only take one year.

"Haha, no wonder you feel unbelievable. This new construction method is original to Hei Shui City, and it is not available in other places!"

Ye Xuan is very confident about this, after all, there is no brick kiln technology in this world.

He waved to Lu Song, took him to the study, took out a pile of small wooden blocks and placed them on the table, and gestured.

"The old-fashioned city wall construction method adopts the watering method. You can only wait until the front section is dry and solid before the next section can be built. Most of the time is spent on the drying of the building materials."

"The original construction method of our Heishui City is based on bricks, and the body is dry. You only need to apply a layer of glutinous rice mortar on the surface of the bricks, and it can be dried overnight."

"We can build a wall first, and then build a wall with this wall as the basis, and add it one by one..."

Ye Xuan explained, fiddling with small wooden blocks like a stack of building blocks. Finally, the corner of his mouth curled up and looked at Lu Song with fun.

"Old Lu, do you think it's very simple?"

"this……"

Lu Song suddenly disappeared, but his face seemed to ease a lot, and his eyes were staring at the small wooden blocks that had been piled up on the table.

"Lord, you said it only takes one night to get it thoroughly?"

"Then why do you think the lord chose to build a new city wall at this time?" Ye Xuan did not answer, but asked with a smile.

“Is it because summer is coming?”

Lu Song has presided over a similar project, so he naturally knows that the weather has a considerable impact.

No one will choose to start construction in the rainy season, and summer and autumn are the best times.

As long as there is sufficient sunlight, the drying of the building materials will be very good.

"Not only because of this, there is another reason because spring plowing has just ended, and there are not many people on weekday maintenance, so people will be free of staff."

Ye Xuan smiled calmly and made clear his meaning.

"Old Lu, after being the acting city lord for so many days, you should have already learned about the situation in Hei Shui City."

"In the current Heishui City, in addition to local residents and mountain tribes, there are also refugees taken by barbarians to the south, villagers from several villages, and a large number of people migrated from Ruiyang City."

"Now the total population of Heishui City has exceeded 10,000, but the supervisory department is far from enough staff. Even with the assistance of the city guard, it is a big problem to manage."

"The Lord knows a truth. As long as you have something to do, people will not think randomly. In addition to the new city wall, the reconstruction of Hei Shui City also requires a large number of manpower."

"As long as the idle people in the city move, all kinds of unstable factors will definitely be greatly reduced."

Lu Song nodded while listening, obviously agreeing with Ye Xuan's opinion very much, and finally reminded him.

"The lord's idea is very good, but some things need to be paid attention to. Local residents and mountain tribes can rest assured, but foreigners... not everyone likes to get rich through hard work."

"Haha, even you, the acting city lord, have heard the news. It seems that the security in the city really needs to be rectified, especially those gangsters and others."

Ye Xuan thought for a while, suddenly narrowed his eyes and asked at Lu Song.

"Old Lu, how about leaving this matter to you?"

"Sir, isn't this the responsibility of the Supervision Department?" Lu Song couldn't guess Ye Xuan's plan and was puzzled.

"You are the acting city lord. To a certain extent, you have the right to interfere in any of the internal affairs of Hei Shui City."

Finally, Ye Xuan Youran asked, "Can you do it?"

"Thank you for your trust, I will do it."

When Lu Song heard this, he was stunned at first, and suddenly a string in his heart was touched. He had never felt this way when he was an official in the capital.

"Okay, you can discuss this with Ji Lan in the future. If these lazy and vulgar guys are willing to be honest, Heishui City can leave it alone, but..."

Ye Xuan's eyes were like a knife and his voice was extremely cold: "If anyone dares to oppress the people, he will be punished more severely; if someone dares to bully the market, he will be punished more severely; if he dares... he will be expelled directly and never take in!"

"In addition, if the circumstances are particularly serious, there will be no mercy for killing!"

When Lu Song heard the three words "kill without mercy", he immediately trembled all over.

Only then did he remember that although the lord in front of him was still young, he was a decisive person.

Now the enemies who died under Ye Xuan's hands are probably not one thousand or eight hundred.

"Yes, the official will receive the order!"

Lu Song used to call himself "old man", but now he can't help but call himself "low-ranking official". It is obvious that Ye Xuan's status in his heart has increased significantly.

Although there is no problem with the newly built city, Lu Song still has concerns.

"Lord, there is one more thing that we need to start paying attention to..."

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