Introduction to Yanghu Cave: Yanghu Cave is located more than 200 meters to the upper left of Wolong Valley. The cave is about 10 square meters wide. People bow down and enter. It is several meters high inside and there is a spring dripping through the rock. It is said that Yang Hu, a minister of the Western Jin Dynasty, followed Emperor Wu of the Jin Dynasty to the south to plan to destroy Wu. He once stationed troops here and offered comfort.