C444 Tianpeng Lied

"It has been 22,000 years, but the rock has never been broken?" Chiang Hao couldn't believe it.

"That's right. There are only ten levels in the underground world, and the tunnels and structures are basically the same as before." The elder replied.

"I feel that there are some changes. Everyone has seen the holographic image of the underground world from 22,000 years ago