Introduction to Bailong Cave: Bailong Cave, also known as Bailong Palace, is a magnificent, magical and strange large cave. It is a typical karst cave formed during the Second Ice Age. There are famous attractions such as Nantian Divine Pillar and Underwater World in the cave, as well as mammal fossil groups such as giant pandas, saber-toothed elephants and antelope fossils, which are of great archaeological research and ornamental value.