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 ...

简介：想象一下，在美国三K党（Ku Klux Klan）对黑人暴力行凶、种族隔离和偏见盛行的时代，成为好莱坞唯一的黑人电视明星会是什么样的感受。想象一下，你拥有如此伟大、独特且令人折服的天赋，以至于这些问题似乎被搁置一旁，让你能够表演并因这份天赋而得到认可，然而在幕后，他们却在想方设法将你包装成你并非的白人。这部关于纳特·金·科尔（Nat King Cole）“童话般”名利生活的实际经历的坦诚记述，取自纳特·金·科尔的私人日记以及对纳特·金·科尔的遗孀玛丽亚·科尔（Maria Cole）的独家采访，还有来自其他家庭成员、托尼·贝内特（Tony Bennett）、巴迪·格雷科（Buddy Greco）、哈利·贝拉方特（Harry Belafonte）、南希·威尔逊（Nancy Wilson）、布鲁斯·福西特爵士（Sir Bruce Forsythe）、乔治·本森（George Benson）、亚伦·内维尔（Aaron Neville）、约翰尼·马蒂斯（Johnny Mathis）等众多人的贡献。

简介：五个骄傲自大又各种毛病的前曼联球员在2010年准备重新崛起，成为英雄