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How many kilometers is the Ming Great Wall site?

The total length is 8851.8km. Among them, the length of artificial wall is 6259.6km.: The trench is 359.7 kilometers long; The length of natural insurance is 2232.4 kilometers.

The Ming Great Wall site starts from Jiayuguan in Jiayuguan City in the west, passes through Jiuquan, Gao Tai, Linze, Zhangye, Shandan, Yongchang, Minqin, Wuwei, Gulang, Jingtai and other counties, crosses the Yellow River from the Five Buddhist temples, and extends along the south bank of the Yellow River in Jingyuan County, with ups and downs, until it reaches Hushan in Liaoning. Gansu is about 1000 km long, all of which are compacted with loess. Compaction layer thickness 13-20 cm. Height 1 0m, female wall1m, with crib. The bottom is 5-6 meters thick and the top is 2 meters wide. The beacon tower is close to the inside of the Great Wall, and the height is more than 10 m due to the rammed loess, which is commonly known as beacon tower pier. The pier spacing is about 5 kilometers, which is very spectacular. The winding passes, mountain passes and estuaries all have watchtowers outside the Great Wall.

References:

Ming Great Wall Site _ Baidu Encyclopedia