Introduction to Cui Gong Cave: Cui Gong Cave is located at the east peak of Ganshan Mountain. This cave is in the shape of a natural arch. There is a clear spring in the cave. The spring water is clear and sweet and never dries up all year round. It is named after it is said that Cui Gong practiced in this cave. The people at the foot of the mountain regard Cui Gong as Cui Gong Cave. He is the God of Rain, and he often comes here to pray for rain in years of severe drought, which is said to be quite effective.