The land reclamation ended the day after Zhang Min's men joined.

There was not much land left in the uncultivated land, and with the participation of 5,000 more people, it was naturally much faster.

Under Chu Chen's order, Zhang Min's 5,000 subordinates, while going back to training, also had an additional task to guard the outer city.

In the morning, Chu Chen had just finished arranging and let the 20,000 ordinary survivors start the task of planting sweet potatoes.

In the afternoon, Zhang Yuan found Chu Chen.

As soon as he saw Chu Chen, Zhang Yuan was full of smiles, handed over a space ring, and said with a smile: "Haha, Boss Chu, I went back to the Peace Forest yesterday, and Lord Wei instructed me to send you the remaining 1,700 transfer certificates!" You take it, don't forget to count it, this is a lot of food stamps, if something goes wrong, I can't afford it! ”

Regarding the matter of owing Wei Shuo two thousand transfer certificates, Chu Chen had already thought of a plan to deal with it, and similarly, the backup plan of using the 'Dark Blade' had already been considered at that time.

Since they are going to use it, the three hundred members who have newly joined the 'Dark Blade' will naturally have to prepare a certificate of transfer for them.

Therefore, after the recruitment was over, when Wei Shuo came to ask Chu Chen what type of job transfer certificate was needed, Chu Chen proposed to borrow 300 assassin job transfer certificates first.

At that time, Wei Shuo didn't think much about it, so he agreed, and because of this, Chu Chen had some jealousy of the background of the business alliance, so he had a more respectful attitude towards Zhang Yuan.

After all, at this stage, even if it is Chu Chen, it is only a druid transfer certificate, and he can take out hundreds or thousands of them at any time, and the most of the other transfer certificates is only a hundred.

And Wei Shuo's eyes didn't blink too much, and he was able to casually take out three hundred junior assassin transfer certificates from the business alliance, which was enough to prove the strength of the business alliance.

Moreover, not only that, but through this incident, Chu Chen also had a deeper understanding of Wei Shuo from the side, and as for what he said, the business alliance was short of funds or something, so he didn't take it to heart.

After taking the space ring, Chu Chen checked the transfer certificate inside, and smiled at Zhang Yuan: "Okay, Uncle Zhang, I have checked it, even if there is a problem, it will not be withdrawn from you!" ”

Zhang Yuan smiled a little embarrassedly, and said to Chu Chen: "Boss Chu, the forest area in the west will take a while to complete, but the lake dug and built has now entered the final stage, if you have time, it's better to go and have a look, right?" ”

"So fast?"

Chu Chen's face was full of surprise, and while walking towards the south of the city, he sighed to Zhang Yuan: "Uncle Zhang, the efficiency of your subordinates is really amazing!" It would be great if I had such a group of men at any time! ”

Zhang Yuan followed behind Chu Chen, thought for a while, and said to Chu Chen: "Boss Chu, in fact, this idea of yours is very simple to implement!" In this way, when your mage group has completed the basic training, you can see if you can select all the earth magicians among them, form a construction team, and let me bring you a month, and it is estimated that after that, they will be able to take charge on their own! ”

Chu Chen was overjoyed when he heard this, and said with a smile: "Haha! All right! Uncle Zhang, let's just say it? ”

Zhang Yuan naturally smiled and responded: "Don't worry, Boss Chu, the better Ningqiu City develops, the better I, the leader of the alliance, can have more say in the business alliance!" It's just that if you break up your mage group like this, will it have any impact? ”

In fact, for the formation of a construction team, Chu Chen had already planned.

So after Zhang Yuan asked, Chu Chen waved his hand and explained: "It's okay, the magicians in this construction team can all have two jobs, usually belong to the mage group, and only when I give the construction task will they belong to the construction team!" ”

Zhang Yuan listened and nodded again and again: "That's right, Ningqiu City is also this time, and the construction task is heavy, and when this period of time is busy, it is estimated that there will not be much that needs to be built." ”

The two chatted and chatted, and then walked from the south, walked out of the city, and began to walk west.

After chatting for a long time, the two walked around the city wall and walked to the west of the base.

As far as the eye can see, on the vast plain, a horizontal oval crater appeared!

Ever since Zhang Yuan told Chu Chen that he was going to dig and build this giant lake, Chu Chen would go to the city wall west of the base from time to time to take a look.

At that time, Chu Chen felt a little puzzled, the edge of this giant lake that Zhang Yuan led people to dig and build was actually a relatively gentle slope, which didn't look like how much water could be stored at all.

If Zhang Yuan didn't mention anything about fish farming, such a large pit composed of gentle slopes should also be able to intercept the flood.

But since Zhang Yuan put forward the idea of raising fish, and is also planning to stay in the lake all year round, leaving a 20-meter-deep lake, such a shallow lake, even if the area is large enough, is not enough.

Of course, digging and building the lake had already been handed over to Zhang Yuan to do, and even if Chu Chen couldn't figure it out, he didn't go to Zhang Yuan to ask at that time.

At this time, Chu Chen personally came to the edge of the pit, and he was sure that his doubts were not wrong!

This huge pit, except for a stone slab about three hundred meters wide and two or three thousand meters long in the middle, was no different from what Chu Chen had seen before.

Chu Chen only glanced at it, and he could be sure that such a lake, if he dared to reserve twenty meters of water all year round, then the flood came, no matter what, it would not have any effect!

Glancing at Zhang Yuan, Chu Chen saw him with a mysterious smile on his face, and knew that there must be something hidden in this huge pit!

At this time, there was nothing else in the pit except for the giant stone slab, which could hide the cat.

When he came to this stone slab, Chu Chen found that this stone slab was full of small holes of about ten centimeters.

The cave was pitch black, and nothing could be seen.

But after a little scrutiny, Chu Chen smiled at Zhang Yuan and said, "Haha, Uncle Zhang, seconds!" This design of yours is really ingenious and wonderful! ”

Seeing that Chu Chen had actually guessed something, Zhang Yuan's eyes lit up, and he asked Chu Chen, "Boss Chu, what did you guess?" There are no outsiders here, so you might as well talk about it. ”

Waving his hand, Chu Chen smiled casually: "Even if there are outsiders, so what?" With my strength, I am enough to set foot on any base at this stage, and I don't need to care about these false names at all! ”

After a pause, Chu Chen said confidently: "Uncle Zhang, under this stone slab, you must have built a large reservoir!" According to the standard of 50 meters you said before, the height of this slate to the ground is about 30 meters, so naturally, the reservoir below should be about 20 meters! ”

After walking a few steps left and right, Chu Chen continued: "Usually, fish are raised below, well, maybe you have prepared some other measures, after all, you also said before that the fresh water here can be supplied to Ningqiu City!" When the flood comes, the giant pit above can intercept the flood, and when the flood recedes, you only need to ask the water magician to come and clean up the water on the upper layer. ”

"Smack! Syllable! Syllable! ”

Zhang Yuan raised his hands, slapped his palms a few times, and gave Chu Chen a thumbs up: "Awesome!" Exactly! What do you think? Would you like to go down and have a look? ”

Chu Chen nodded and said with a smile: "It's okay!" Let's go, Uncle Zhang, let me see the product of your strange idea! ”

Zhang Yuan stretched out his right hand, led Chu Chen to the right, pointed to the small hole under his feet, and introduced to Chu Chen: "Actually, if the flood does not erupt very frequently, these ten-centimeter small holes are not needed. But in this part of Ningqiu City, floods are too frequent, and I am afraid that this stone slab will not last long, so I dig countless small holes on it, so that the pressure of the water on this stone slab will be reduced to a negligible extent. ”

Chu Chen nodded, indicating that he agreed with Zhang Yuan's idea.

Zhang Yuan's right hand was spread, palm facing down, and he shook it for a moment, and continued to introduce to Chu Chen: "As for the fish in the reservoir below, when they grow up and need to catch them, you can naturally remove this whole stone slab and drain the water inside. Filling up such a huge stone slab is nothing for an earth magician, not only can you harvest the fish in it once, but also ensure the solidity of this stone slab! ”

After a pause, Zhang Yuan said with a smile: "After all, in this era, with all kinds of magicians, these designs that were unimaginable before can now be realized." ”