Analysis: Boyue Cave is located in the northern suburb of Lengshuijiang City, Hunan Province, 3.8km away from the city center. The whole cave is centered on the labyrinth hall, with a spacious front hall and a dense back hall. Stone pillars and curtains abound, step by step, step by step; In particular, the Goose Tube, the Stonehenge Dam and the Net Stone Trough are the best in the world, and the treasures of caves have made the world fall.