Introduction to Tongtiangou: A large ditch on the west wall of Taiping leading to Taipingding is very steep, with no bottom, unpredictable, and impossible to climb. It is like reaching the end of the sky, so it is named Tongtiangou.
Introduction to Tongtiangou: A large ditch on the west wall of Taiping leading to Taipingding is very steep, with no bottom, unpredictable, and impossible to climb. It is like reaching the end of the sky, so it is named Tongtiangou.