It's rough, up and down, and you can see that everyone is shocked and desperate.

For those of them who face xenos directly, they know the horror of xenos, and they absolutely do not want to see an extra door in this world that can make xenos unscrupulous.

If there's anyone in the world who wants to see a second threshold, it's the federal government in control – the chaebols at the top of the pyramid.

Tu Ran took a cursory look at a few pages of threshold-related information last night.

The threshold suddenly appeared fifteen years ago, and it was a high wall that suddenly stood twenty kilometers east of the administrative building of the federal center.

This high wall seems to have been built in a second, countless monitors recorded that second, at first it was gray like a projected three-dimensional wall, and then the color of the wall gradually deepened, the material became solid and textured, and in just one second, a wall fell from the sky.

The federal government sent a drone to the top of the fence to investigate, but after only flying to an altitude of 400 meters, the drone lost power and fell down, an unknown force hindering the inspection of all matter.

The height of the fence is not visible, but the width of the fence is visible to the naked eye.

And when you look at the width of the wall, you will be even more shocked that this wall is not something that can be built with current human technology.

Because it's only a thin layer thick.

It seems to be a simple mix of black bricks and concrete soil, but everyone can understand that without the support of a strong foundation, this 100-meter-high wall simply cannot stand.

And the frightening thing is that this wall has no foundation.

When it didn't work, the federal government sent people to dig through the ground, and after only three or four digs, they dug through the front of the wall to the back of the wall, and the federal government found that the wall had no foundation at all.

The sudden occurrence of this strange wall immediately attracted the attention of many people, and people found that although this black wall is substantial, it can pass through sunlight and leave no shadows, and then, a folk explorer discovered that somewhere in this wall, people can directly pass through.

The explorer found out about the incident and reported it to the federal government.

The federal government immediately sent experts to investigate, but did not find out why, although everyone was curious about what was behind the wall, but no one dared to enter.

And the drones, detectors, and life detectors that were sent out had no signal the moment they passed through the wall.

And the bomb thrown into it, no matter how large the yield, is like a feather falling on the surface of the lake, and it can't roll up a single wave.

"Surprise! The gate to the parallel world debuts! ”

A report came out of nowhere and became hot among the people.

Adventure enthusiasts began to want to take a look at the other side of the wall, and with the permission of the federal government, they entered the wall in groups.

One, two, three...... A month has passed.

They never appeared again.

During this time, the experts, who had been guarding the wall, found that the "door" was closed.

A man's hand can't get in, a bullet can't get in, and a bomb can't be thrown in.

It seems that this wall has really become an ordinary wall.

Just when everyone thought that this wall would be sealed forever, and the people inside would never be able to get out, someone keenly noticed that the "door" opened.