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Cromwell asked: "Can this thing be used in the underworld?"

"Okay, but what's the use? The strong men in the underworld can't just wait for us to throw this thing on their heads."

"Yes, this guy is so big that no one will notice them."

Feng Yuxin said that when our rocket engines mature, we can install wings on these big guys.

The next day, Feng Yu received a report that the group of sea beasts surrounding the Mermaid Reef Sea Area had dispersed, but there were still a large number of sea beasts swimming in groups of three to five in the ocean, but they did not gather in the reef sea area as before. bingo.

This also shows that the guy hiding in the center of the reef and being sent away directly by the super aerial bomb is the controller of these sea beasts.

However, with its death, coupled with the vast sea and abyssal creatures with no possibility of communication, this tragedy that caused the mermaid to lose her home has become a headless case, and only the mermaid family is unlucky.

The mermaid clan temporarily settled in Lengshui River, which also had a certain impact on Xiangpu City, but Feng Yu didn't need to worry about this matter.

Illya, the great steward of Cattail City, began to try to integrate the mermaids into the system of Cattail City, so that they could bring certain help to Cattail City.

However, apart from helping Cattail City fish, Feng Yu did not expect the mermaid to bring other help to Cattail City.

With the development of science and technology, the liberation of productivity has become more and more obvious, and there will be more and more idlers in Cattail City in the future.

Feng Yu is willing to keep the mermaids because he wants to guide them to learn scientific knowledge and join the scientific research system of Cattail City.

Just like dwarves like machinery and absorb knowledge in this area much faster than other races, dwarves are also very interested in metallurgy.

As for elves, they are more willing to learn some purely theoretical research, such as advanced mathematics, astrophysics, etc.

Although it cannot be said that all races prefer one research direction, this general trend is still obvious.

Therefore, while Feng Yu is slowly liberating productivity and guiding all races in Cattail City on the path of scientific research, he also hopes to enrich Cattail City's scientific research system by taking in races like mermaids.

If nothing else, when it comes to studying marine science, these mermaids have unparalleled advantages.

The layout of Cattail City does not require that much labor, and with the spread of automation, the demand for labor will decrease.

Feng Yu’s idea is to conduct national scientific research in Cattail City, and through guidance, define scientific research as a kind of work, an honor, and a way to realize one’s own value.

Therefore, there are few mermaids who have no conflict of interest with these few species in Cattail City. Joining Cattail City will not harm the future of Cattail City, and Feng Yu is happy to see it.

He can draw dwarves and small halflings into the classroom, make them abandon the hammers and pickaxes passed down from their ancestors, pick up books, and prepare to join the Academy of Sciences. Naturally, he can also change the mermaid.

Feng Yu has already recorded the mermaids in his account, but the mermaids who have been indifferent for too long cannot adapt well to the environment of Lengshui River.

However, the brightly lit Cattail City and the huge interception project across the Lengshui River also made these mermaids understand that the world is not just as big as a reef, and the mainland is far more exciting than they imagined.

The Lengshui River interception project has already completed two interception dams. On the upper and lower spacious earth dams, many large machines are driving anti-slide pillars to the inside of the restricted water area.

One of the main reasons why some mermaids cannot adapt to life in Lengshuijiang is the noise pollution caused by these large machines working around the clock.

Sound travels farther and clearer in water than in air. You can imagine what kind of torture it is for mermaids who live most of the time in the water to have such loud noises ringing in their ears.

But there was nothing that could be done about it. Mermaid Princess Lole stopped the Queen Mother who wanted to communicate with Cattail City on this matter.

Having lived in Cattail City for a while, she knew that the large-scale projects in Cattail City would not stop because of the mermaid clan.

Fortunately, the piling project was finally completed, and the high-power water pump began to roar louder. However, since these things were arranged on the dike below, the noise was much smaller for the mermaid.

As Cattail City and the two human empires interact more and more frequently, although the two human empires still need to abide by the rules of Cattail City and operate honestly on the Lengshui River, those high-level magic users do not No longer so wary of Cattail City.

At the main construction site of the Lengshui River Dam, not only Cromwell and Wei Zhi were watching the excitement, but the Great Magister of Humanity was also following the Dharma Saint, pointing at the construction site.

Not only them, but the Mermaids and the residents of Cattail City also gathered nearby to watch this project that no one in Green would believe.

These busybodies gathered outside the safety line and stretched their necks to look inside.

At this moment, the water in the throttling river section has been drained by high-power pumps, and the bottom of the Lengshui River is exposed to the dazzling sunshine of the wilderness.

Pumping water and sucking mud, the old bottom of Lengshui River was turned clean by the power of technology.

The children screamed and laughed at the fish jumping in the mud, but the adults were shocked by this power that can change nature.

Ives, the great water mage, sighed: "I thought it was done by cutting off the Lengshui River with an earthen dam. I didn't expect it would be so troublesome. What on earth are these guys going to do?"

The Great Earth Mage Malphite said: "It is completely impossible to use only soil. Sooner or later it will collapse."

Wei Zhi said: "What they are digging now is the main body of the dam."

Cromwell looked at his granddaughter whose mind was full of musical notes and said with a smile: "You know"

"Well, I saw Teacher Darren playing with the building block model of the dam at Sister Nicole's house. The earthen dams on both sides cut off the river water, and the place being excavated in the middle is the real dam.

However, I see that Teacher Darren is not very satisfied with this dam. He said that this dam is just a piece of cake and has no connotation at all. He said that if the spillway and generator were installed elsewhere, people would laugh to death. Said completely incomprehensible. "

Cromwell said with a smile: "That boy talks a lot every day. Who knows what he is thinking."

"Yeah, it's completely incomprehensible to use such a huge force just to cut off the Lengshui River. Now various planes may be opened at any time. They are simply wasting their time."