Introduction to Guoliangdong: Guoliangdong is also known as Guoliangdong wall-mounted highway, Guoliang Tunnel, Guoliang Tunnel, Wanxian Mountain cliff promenade, and Guoliang Village cliff promenade. It is known as one of the "Top Ten Most Dangerous Roads in the World" and "Global One of the "18 Most Unusual Highways". The first part of the movie "Hands Up" was shot here.