They're here

Under the investigation of his mental power domain, ye bei gained a complete understanding of the Research Institute in the blink of an eye.

The Research Institute was deep in the core of the desert, 2600 meters underground.

The total area was over 50000 square meters, like a vast underground Palace.

It was rectangular in shape.

It was divided into seven levels.

In the middle of each floor, there was a steel plate more than a meter thick.

The six sides of the rectangle were all made of concrete and steel plates. They were placed 2600 meters under the desert, so there was no need to worry about the danger of collapse.

This entire rectangle only had two openings.

An exit.

An entrance.

They were also a whole.

There were ten doors at each entrance. Usually, the first door would be blocked by a large amount of sand. When the door was opened, a huge force would push the sand away from the inside ...