Introduction to Bailong Palace: Bailong Palace is the best-preserved karst cave in Sichuan. The stone pillars, stalagmites, stone flowers and stone curtains in the cave are vividly shaped. The natural shapes of some of the cave landscapes actually look like Jiang Ziya, Yuanshi Tianzun, Taiyi Zhenren, Nezha and other gods in "The Romance of the Gods".