Professor Fang

He extended his palm and rolled his eyes a few times.

Before long, the device displayed its results.

"Visitor Wu Mo's information has been entered. Fingerprint and iris matches are 100%."

Following a mechanical sound, Wu Mo heard a click, and the explosion-proof door before him opened.

"Come with me," he said subconsciously and walked in without hesitation.

The explosion-proof door quickly closed behind him. Due to the dim light ahead, it took Wu Mo a while to get used to his surroundings and see what was in front of him clearly.

A stone pillar that was several meters in diameter and more than 10 meters tall appeared before him.

There were spiral stairs winding around the stone pillar.

The walls of the fourth central building were made of compressed earth, which was extremely sturdy against all kinds of explosive shock waves.

'Looks like the Super Loop is down there.'