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《你不知道的万里长城》剧情介绍
酷播网提供影视作品你不知道的万里长城高清全集在线观看的影视全集网,纪录片《你不知道的万里长城》全集作品的导演是内详 ,由内详 主演,你不知道的万里长城在豆瓣的评分为4.0,本片由小编于2021-06-24 19:50更新,希望大家喜欢,可以把《你不知道的万里长城》推荐给你朋友,本作品的地址为 https://www.cctvkb.com/v/88533.html
《你不知道的万里长城》简介:Modern Chinese and international research using new methods like drones systematically studies the Great wall of China. Its visibility from space is a legend, but its size actually ranks as world's largest monument. It never was a single wall, but a system of several segments, repeatedly altered over time, in successive attempts to prevent invasions from raider tribes, like the Xiongnu, adapted to the terrain, with an elaborate system of garrison towers, advanced tower posts and communication system. Building and manning it proved extremely costly. It failed to prevent the Mongol armies of Genghis Khan annexing China, his great successor Kublai Khan built a wall system to fit his larger empire. After the Ming dynasty finally expelled the Mongols, the 'primitive' walls were replaced by the final stone version, using a brick type solidified with rice starch. While the unprecedented mobilization of means for construction and garrisons crippled the treasury, it proved useless against the ...