Introduction to Jellyfish Cave: Jellyfish Cave is the source of water in the park. The mountain is three feet six feet high, and the square garden is seven feet two feet. There is a pond on the top of the mountain, which is a place for water storage. Water pours down from the top of the mountain from west to east. , forming a waterfall three feet six feet high and nine feet wide. Behind the waterfall is a water curtain hole with jellyfish sculptures in it.