"The middle of the tree is empty, and the entrance is at the bifurcation of the main trunk." Yu Decheng was afraid that Zhao Tiezhu would not believe him. He immediately said the structure of the tree.

Zhao Tiezhu looked up and there was a real bifurcation. Climbing to the bifurcation, I found a hole in the trunk leading down to the underground, but nothing was visible in the dark of the hole. There is a rope tied to the branch at the entrance of the cave, and the other end is put into the cave.

"Uncle Yu, are you really in it?" Zhao Tiezhu shouted cautiously at the tree...