C691 Frozen Layer

Zhang Wu slowly walked down the rope. At first, it was fine, but as he continued down, his vision became blurrier. He could not even see the person at the top.

"Captain, what's the situation now?"

"Not bad."

The people up there could no longer see Zhang Wu. They could only communicate through the walkie-talkie. Every minute, they would communicate with each other.

The deeper they went down