Modern Marvels - Season 4 Episode 11 The Great Wall of China.
Winding 6,000 kilometers through undulating mountains, it is said to be visible with the naked eye from the moon. But who called for the Great Wall's construction and how was it accomplished? Historians, engineers, and scientists explore one of the wonders of the ancient world.
- Genre: Documentary
- Studio: History, H2
- Keyword: technology, invention, disaster, construction, machine
- Cast:
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