Introduction to Tongtian Cave: Tongtian Cave is also known as Wucai Cave. It is named because the scenery in the cave is colorful, splendid, natural, and leads directly to the sky. There is a giant rock painting in the cave, two large grottoes, three halls, four branch caves, a five-story maze, six green pools, and seven waterfalls. The total length of Tongtian Cave is more than 10,000 meters, 120,000 square meters, of which 1,800 meters are from the Yin River, and 2,800 meters, 100,000 square meters, have been developed. It is large in scale, with winding paths, layers upon layers, connected waterfalls and pools, criss-crossing beautiful water, and caves. There are caves in the middle, scenery within the scenery, and the scenery is fantastic, with various shapes, exquisite and clear, magnificent and exquisite, and full of fun, especially the "granary in the sky" and the "Galaxy Waterfall" scenery.