居庸関
The Badaling Great Wall is one of the most famous scenes in Yanqing, which is located at the north entrance of Guan'gou Ancient Road, Jundushan, Yanqing District, Beijing. It is an essential part of the Great Wall of China, a great project in ancient China, and a strait mouth of the Great Wall of the Ming Dynasty. The Badaling Great Wall is an essential outpost of Juyong Pass.