Science Channel - Unearthed Ghosts of the Great Wall (2016)

Unearthed Ghosts of the Great Wall

Unearthed decodes mysteries and combines scientific investigations with CGI animation to reveal the hidden secrets of iconic structures and monuments from around the globe to discover how they were designed, built, used, and in some cases, lost and rediscovered. The Great Wall of China is the biggest man-made structure on Earth; follow the scientific mission to reveal the ancient secrets about the fortified wall.

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