The Great Wall of China

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Sunday 29 January 2017  01:00 - 02:05 (65 mins)
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. [S]

The Great Wall of China may be available on playback
The Great Wall of China (More 4) Sunday 29 January 2017 01:00 - 02:05