The Great Wall of China

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Monday 30 April 2018  22:00 - 23:10 (70 mins)
The Hidden Story - Secret History: Recent evidence rewrites the Great Wall of China's history, decodes its complex signals system and reveals the ingredient that's kept it standing.

The Great Wall of China may be available on playback
The Great Wall of China (More 4) Monday 30 April 2018 22:00 - 23:10