==CH4 Secret History - The Great Wall of China the Hidden Story (2014)==

[[http://forums.mvgroup.org/index.php?showtopic=59331|CH4 Secret History - The Great Wall of China the Hidden Story (2014)]] {{:hdimage.jpg?20|}}

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**Secret History: The Great Wall Of China The Hidden Story**

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.


==See Also==

{{http://www.radiotimes.com/episode/c84fvh/secret-history--the-great-wall-of-china-the-hidden-story---secret-history|Raio Times Site}}

==Trailer==

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==Full Version==

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{{tag>HD History China Wall_of_China Technology Science Chemistry CH4 FF 2014 Ar12/14 Name}}