Introduction to Longxi Palace: Located near Tiantang Mountain in Huancuiyu Scenic Area, the cave is 100 meters underground and has a proven length of more than 5,500 meters. It has been developed and opened to the public for more than 1,600 meters, and can be visited The area is 12,600 square meters. The main attractions in the cave include "East China Sea Dragon Palace", "Pagoda and Waterfall", "Gathering of Dragon Kings", "Chang'e Flying to the Moon", "Taibai Chant", "Xianqiao Pagoda", etc.