24 факта истории Великой китайской стены

Passes through North China for 8851,9 km[1][2], and the area is Badaling close to Beijing (it is the length of the latter building era of the Ming dynasty, and this includes 6259 km of actual wall, 359 km of trenches, 2232 km of natural defensive borders in the form of hills and rivers). The length of the wall with all the branches is 21 196 kilometers[3]. The thickness of the great wall mainly about 5-8 meters and the height is often only about 6-7 meters (in some areas reaches a height of 10 meters)[sour