C954 Universe Water Machine!

Zuo Nan looked at the map and shook his head. "No! The map is very complete!"

"If the map is complete, it means that no one has cut it or tampered with it. Although this building looks big, if there are more than twenty layers of mechanisms, how much effort would it take to set them up? I think Master Smith, you should understand what I mean, right?"

Zuo Nan nodded and said in a deep voice