Introduction to Longquan Cave: Longquan Cave is located in the middle of the cliff on the north bank of Xialao River. It is named after Dayu once subdued the dragon while controlling the floods. It is the most spectacular and famous cave landscape in the Three Gorges Gallery. There are five major scenic spots in the cave, including Tallinn Palace, Yaochi Palace, Waterfall Palace, Longevity Palace, and Crystal Palace. The main cave scenery is vast, rich, diverse, and spectacular.