When encountering a water beast attack, the people of Da Yue only need to avoid the place where they are impacted.

When the other party gnawed on the indigestible grass roots, he naturally rolled his eyes and left.

Over time, they lost interest in these big guys floating on the water, and their safety was guaranteed.

At the same time, the root system of Luhu Island and Zhuqin grassland will attract a large number of fish to provide meat for the people of Dayue.

In this way, except for the bleakness of the underground lake, the life of the people of Dayue is no worse than that of Lei Zezhong.

Of course, there are also problems, whether it is a reed or a celery, it is a surface plant, and the growth rate will slow down after entering the dull ground, and eventually wither and die.

Although it can still float on the surface of the water as a foothold after withering, it will decay and disintegrate over time, and it will not be used as a permanent residence like when it is in the surface of the earth.

Therefore, every once in a while, the people of Da Yue have to find a way to venture back to the surface and recollect fresh reed reeds and bamboo celery to repair the floating islands, which is a time-consuming and labor-intensive project, not to mention a huge project, but also accompanied by great risks.

In particular, the entrance to the underground water veins of Razor is underground, and it is not easy for them to swim upstream.

This has led to many Dayue people who are unable to adapt to the underground environment and choose to continue to migrate to the depths of the "Tongyoudi River", hoping to find the legendary outlet.

But these light-seeking tribes often disappear in the depths of the "Hidden River", so that fewer and fewer people dare to take that risk these days.

But what the refugees who stayed in the underground lake didn't expect was that someone really floated out of the surface along the "Tongyoudi River" and brought a rescue team from Nan Wanyu!

So when they passed through the portable teleportation array brought by the rescue team and were teleported to the Dayu City refugee camp, they immediately knelt on the ground with tears streaming down their faces...... It's not that I can't be moved by seeing the light again, but after living underground for too long, my eyes can't adjust to the strong light on the surface.

The rescue of the South Vietnamese refugees lasted for several months.

Mainly, there are billions of South Vietnamese refugees, who have spread far too far underground in the past decade or so.

And the underground environment is too complicated, and it is not easy to bring them all together.

At the same time, the construction of the underground water canal tunnel is also very difficult.

Finally, by opening up and blocking some of the caves, the water flow of the underground water canal tunnel became gentle, so that it was no longer so difficult for surface and underwater ships to go upstream.

At the same time, a "magnetic suspend-rail ultra-high-speed rail line" was built in the underground water vein, and the train was hung upside down on the top of the cave, which successfully opened up the transportation line of the South Vietnamese raft.

Although the difficulty of the project is huge, in the ancestral sacred mountain of "Yao Yao", the discovery of various rare mineral deposits also makes Bai Yuqi very happy.

Ordinary minerals such as gold, silver, copper, and iron are all over the ground if they are planed.

All kinds of gold, silver, copper, iron, marble, cinnabar...... As well as all kinds of rare crystals, gems and other mineral deposits are almost all over the mountain.

This made Bai Yuqi wonder, what kind of mountain is this so-called Ancestral Vein Sacred Mountain? It is simply a treasure trove piled up in the shape of a mountain!

The development of this sacred mountain of the ancestral vein cannot be completed in a short period of time, and the ghost knows how many treasures are hidden in the mountain with a cross-section of more than 10,000 kilometers.

The spore detector that flew out has not been able to completely detect the veins of the underground cavity so far, and the map drawn has long since become a mess, and it is impossible to distinguish it at all if you don't zoom in.

Whenever you think you have reached the end, you can dig a thin or thick layer of mountain wall, and you can always find a new unknown mountain space behind it.

And with the continuous upward and downward diffusion, the cavity veins of the mountain are even higher and deeper, and they do not know where they lead.

Fortunately, whether it is the construction of the Intelligent Machinery Legion, the Regeneration Undead Legion, or the Giant Ant-Man Legion, they are all tireless and boring existences, and Bai Yuqi simply handed over the "Ancestral Vein Sacred Mountain Development Project" to them to be responsible.

And he led the engineering team of Tiangongmen through the mountains and arrived at the Razor area located in the southwest of Nanyue.

The "Tongyoudi River" is located at the entrance of the Nanyue Pond, close to the foot of the "Yao Bao Mountain", and beyond is a vast Ze country.

The water in Razor is not deep, after all, the southwest of South Vietnam is a plain area.

But after hundreds of large and small water sources converge into the Razor area from all directions, the stagnant water has nowhere to drain.

Over time, a peculiar "land of Shanghai" was formed, covering about a quarter of the area of the South Vietnamese Raft, and finally converged into a large river in the extreme south.

The humid climate makes the Razor area cloudy and thunderstormy, and the weather is almost changeable every day.

The thick mist of water gathers into a low layer of thunderstorms over Razor, and sometimes a few loud shouts into the air can shake down a torrential rain, which is why this place is called Razor.

After landing in South Vietnam, Bai Yuqi was not in a hurry to explore the new world.

Instead, a large number of spore detectors were released to form a new Tianyan network LAN.

On the one hand, he sent a floating fleet to search and rescue refugees in all directions, trying to get more information from them about the alien demons in the South Vietnamese Empire.

On the one hand, he cautiously built a defensive "Youhe City" at the entrance of the "Tongyoudi River" and along the mountain of the "Yaoyao Mountain".

According to the refugees, there are two waves of refugees every year, arriving at the entrance of the "Tongyoudi River" during the rainy season in the Reze region.

This is because the rainy season is the season when the reeds and bamboo celery grow in large quantities, and the refugees can collect the reed gourds and bamboo celery nearby and use them as vehicles to enter the underground water veins.

As for the trees?

There were no tall trees left nearby, and they were all cut down by the early refugees to make wooden rafts.

Unless you venture to climb the Ancestral Sacred Mountain, you may be able to find a few trees on the vertical cliffs that have survived because they are too steep to cut down.

Strangely, according to the refugees, Razor seems to be the only area where the Extraterritorial Heavenly Demons will not invade the South Vietnamese Alien Celestial Demons, even if the sea level is dry and exposed in the dry season, those Extraterritorial Celestial Demons rarely approach this area.

This leaves a glimmer of life for the refugees who have come from far and wide.

They often take advantage of the dry season to enter Leize, and then rush to the foot of the "Yao Yao Mountain" to wait for the rainy season for the growth of reeds and bamboo celery.

After all, refugees who lack water transportation such as boats will also find it difficult to reach the holy mountain during the rainy season when the water level in Lezer is high.

This made Bai Yuqi very surprised, could it be that there were extraterritorial heavenly demons who were afraid of water?

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