C512 Extreme Sword

The further down we go, the more obvious the traces of human construction.

After the two of them rushed in for a few minutes, they heard the sound of water flowing in front of them.

"There's the sound of water. The end of the tunnel should be ahead. Be careful."

Li Xiaoyu and Zhao Xin rushed out of the tunnel one after another.

When the two of them passed through the tunnel