Introduction to Zangtan Cave: There are several huge rocks on the streamside that form angles with each other and offset each other to form a porous cave. The stream water seeps in, forming a green pool in the cave. The cave has three steps and one turn, five steps and one turn, winding and rotating, and the light penetrates from different directions, making it bright. The cave can accommodate several people setting up a square table to play Go or something like that, which is very interesting.