Introduction to Huanglong Cave: Huanglong Cave has 13 halls, 96 corridors, 3 waterfalls and a Yin River. The cave is 15 kilometers deep and has a total area of ​​20 hectares. It is divided into Dragon Palace, Crystal Palace, Shiqin Mountain, Celestial Water, Cactus, Xiangshui River and other six tourist areas. In the cave, there are meandering stalactites, stone pillars, stone curtains, stone waterfalls, stone rivers, stone whips, stone flowers, etc., which are colorful, exquisite and beautiful.