Tumubao (), originally named Tongmocheng (統漠城), is a fortress located in Tumu Town, Huailai County, Zhangjiakou, Hebei province, China. It is situated on the inner side of the Great Wall, between Juyongguan and Datong, and is a part of the Great Wall defense system.
Tumubao (), originally named Tongmocheng (統漠城), is a fortress located in Tumu Town, Huailai County, Zhangjiakou, Hebei province, China. It is situated on the inner side of the Great Wall, between Juyongguan and Datong, and is a part of the Great Wall defense system.
The Tumu Fortress is located 10 kilometers east of Huailai County. It is shaped like a ship and has a length of approximately 500 meters from north to south and 1000 meters from east to west. The walls of the fortress are about 6 to 7 meters high. Currently, only the south and west walls of the fortress remain. Originally, the walls were made of earth and bricks, but now only the earth walls remain.
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