According to the myths and legends of the earth today, more than 5,000 years ago, the entire earth was hit by a great flood.

It would be a coincidence if only one or two ethnic groups were hit by the Great Flood.

But the legend of the Great Flood is not just one or two peoples, but peoples all over the world.

Then this is clearly a global problem.

Everyone knows that normal floods are caused by excessive rainfall in a short period of time.

If it were a normal flood, it would not have been possible to spread all over the world.

There will definitely be a difference in the amount of rainfall, a little more here, a little less in another place.

Under normal circumstances, a global flood is unlikely.

Strangely, according to the records and myths around the world, more than 5,000 years ago, the whole world experienced a great flood almost simultaneously.

Modern geographers, after studying the Earth's environment, agree to prove this.

The whole world has traces of erosion by floods.

Not only that, but in the myths and legends of various countries, during this period of time about 5,000 years ago, there was a very strange alien era in human history.

When Lu Yuan was a child, he was very strange when he watched various myths and legends, and he didn't dare to care whether it was Nuwa, Fuxi or other great gods who appeared in this time period.

In mythology, they are all very different from today's humans in appearance.

Originally, Lu Yuan thought that it was just the myths and legends of Zhuxia.

Later, when he was older, Lu Yuan came into contact with the myths and legends of many other countries and nations.

In these legends, there are also all sorts of strange-looking people or gods.

Later, after Lu Yuan learned about nuclear weapons and nuclear radiation, he thought that these people would not become like this because of nuclear radiation.

Especially when Lu Yuan learned about the Chernobyl nuclear accident of the former Rakshasa Alliance, it deepened his speculation.

On April 26, 1986, a large explosion occurred at Unit 4 of the Chernobyl Nuclear Power Plant near the border with the White Chicken State.

At the scene of the accident, 30 people died and more than 8 tons of radiation were leaked.

More than 50,000 square kilometres of land were contaminated by the incident, affecting 2.6 million people.

But these are secondary, and the really serious problems are after this incident.

As a result of nuclear radiation, there has been a serious mutation of humans, flora and fauna in the area around Chernobyl.

In the decades after the outbreak of the Chernobyl world.

There are tens of thousands of deformed children with abnormal bodies in the surrounding area.

These deformed children look similar to those of many characters in myths and legends.

Lu Yuan thought of these things when he first learned about the mutations in humans and animals caused by the Chernobyl accident when he was a student.

He even raised the issue with his own professor at the time.

But the professor just told him that this was nonsense and that he had to believe in evolution.

There can be no super ancient civilization, the ancient period was just a primitive society.

Those aliens or gods were all fantasized by human beings in primitive societies because of their lack of scientific understanding of the world.

Lu Yuan was young and vigorous at the time, and he didn't quite agree with the professor's views, so in the later period, he spent a full month looking up a lot of information on ancient civilizations.

When he approached the professor again with the materials, the professor did not look at them at all and drove him away.

This experience made Lu Yuan awaken the dusty memory again.

But at this time, he is much more confident than back then, and he doesn't need to prove his correctness through the approval of others.

Lu Yuan found something in the oasis in the next two days.

He found some traces of the edge of the lake that had been baked by high temperatures.

The discovery of these traces made him more confident in his own judgment that a large-scale nuclear war broke out on Earth 5,000-7,000 years ago.

Lu Yuan judged from this that after the three major civilizations joined forces to defeat outsiders 12,000 years ago.

These alien visitors struck Earth twice about 7,000 years ago.

This oasis was one of the bases in the event of a second alien invasion.

......

Lu Yuan searched in the oasis for a few more days, but there was no new harvest.

Fog and black-armored people have not reappeared these days.

"Looks like I'm going to have to go into the lake on my own!"

Lu Yuan sighed, he didn't have the patience to wait any longer.

At noon that day, Lu Yuan went down to the lake after a full meal.

After Lu Yuan entered the lake, he found that this lake was even stranger than he imagined.

The water in the lake is not too deep, about 20 meters.

At the bottom of the lake there are seven circular passages, which are completely encased by an unknown alloy.

Although it has been countless years, these channels still haven't changed much.

Lu Yuan speculated that the dense fog and the black-armored people came out of these seven passages.

He took out his spear, held it tightly in his hand, and after some thought, he chose the easternmost passage.

His instincts told him that the eastern passage was the least dangerous.

Lu Yuan tightened the spear in his hand, thinking about swimming in the passage.

After entering the passage, Lu Yuan felt a powerful energy.

After walking for about 50 meters, Lu Yuan found that a transparent film of energy appeared in front of him.

This layer of energy film is somewhat similar to the formation of the undersea cave.

Due to its presence, the water outside is all blocked.

Lu Yuan tested the strength of the energy film. Its strength is significantly inferior to that of the Undersea Cave.

Lu Yuan raised his spear, and with a dash, he directly pierced the energy film and entered the inner passage.

Maybe it's because Lu Yuan touched the defense mechanism of the base.

Soon there was a cacophony of voices in the passage.

In order to avoid encountering unexpected changes, Lu Yuan hurriedly rushed into the passage.

After running for about two hundred meters, an alloy gate appeared in front of Lu Yuan.

Lu Yuan was thinking about how to open this gate, but unexpectedly, the gate opened by itself.

Then a sound of footsteps sounded, and the four-door black-armored man appeared in front of Lu Yuan's eyes.

In order to prevent the gate from closing again, Lu Yuan relied on his speed and rushed past the four black-armored men at the fastest speed to storm the gate.

After Lu Yuan entered the gate, he had not yet come to gasp for breath, and several beams of light seemed to shoot from him.

"High-energy laser!"

Lu Yuan screamed in surprise and quickly jumped to the side, dodging the attack.

Only then did he get to the fact that there was an unmanned launcher in front of him.

He knew that the biggest threat to him was this laser emitter.

So after dodging the attack, quickly approach the launcher.

Soon, another high-energy laser shot like Lu Yuan.

This time, Lu Yuan agreed to avoid the danger and avoided it first.