《你不知道的万里长城》由知名导演执导。著名演员参与演出。影片讲诉了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 ...续写了《你不知道的万里长城》精彩篇章如果您也喜欢【星辰电影xcdy.net】提供的《你不知道的万里长城免费在线播放观看》，别忘了分享给好友哦！更多你不知道的万里长城类型的影片尽在【星辰电影xcdy.net】