C1065 The Formation of the Cave

However, Chu Yun really couldn't figure out how the two of them managed to dig out a cave by themselves. "What tools did you use? You actually managed to open up the entire mountain range?"

Chu Yun knew it would take more than a day or two to dig out the cave. Even if he wanted to build the back mountain, it would take quite a while, but it might take even longer to dig out that cave