The Hidden Story - Secret History: New evidence rewrites the Great Wall of China's history, decodes its complex signals system and reveals the surprise ingredient that's kept it standing.
主演：詹姆斯·諾頓,尼古拉·科斯特-瓦爾道,艾米麗·比查姆,克蕾曼絲·波西,埃迪·馬森,奧利弗·馬蘇奇,索爾斯坦·巴赫曼,盧瑟·福特,卡倫姆·西維耶,奧斯吉爾·古納爾松,傑森·福布斯,Elander Moore,Sveinn Geirsson,Bj?rgvin Franz Gíslason,伊內斯·霍伊塞特·艾瑟森,Tommi Thor Gudmundsson,Daniel Hans Erlendsson,Andre Vonport,Louise Kim Salter,Anthony Bacigalupo
