Huyen Khong Cave, Da Nang, Vietnam

Located in the Marble Mountains, Da Nang. It is a part of historical and nature treasures of Vietnam. Pagoda and tunnels built by the Nguyen Dynasty Kings. As I could understand cave was using as a hospital during a war. Inside cave it was very warm and stuffy, some tunnels is extremely narrow and stairs are so steep. 00:00 Entrance To The Cave 00:49 Inside The Cave 01:06 Main Halls 03:15 Stairway To Hell 04:57 Stairway To Heaven