Channel 4 - The Great Wall of China: The Hidden Story (2014)
HDTV | 1280 x 720 | .MP4/AVC @ 3014 Kbps | 47 min 22 s | 1.05 GB
Audio: English AAC 160 Kbps, 2 channels | Subs: None
Genre: Documentary, History
With access to the first nationwide survey and state-of-the-art drones mapping the Great Wall of China, this documentary offers new evidence that reveals its extraordinary magnitude, rewrites its millennia-long history and decodes its complex signals system. Using cutting-edge chemistry, the programme also finds out what has kept the wall standing for so long - a simple cooking ingredient found in kitchens across the world.