Introduction to Lin Palace: Lin Palace, the main cave on the east bank of the Scissor Gorge of the Daning River, is 1,500 meters long and consists of five parts: Xianweng Palace, Yuzhu Forest, Yaochi, Dragon King Palace, and Underwater World. The cave is splendid and brilliant, with stalactites hanging above and below, and all kinds of strange things. Among them, the Dinghai Divine Needle, the stalactite bridge and the Nine Dragon Wall are the "Three Wonders of China's Karst Cave" and are praised by experts and tourists as "the first cave in the reservoir area". They are the product of the organic combination of the uncanny natural landscape and the ingenuity of human wisdom.