If We Built It Today
Season 1 • Episode 6: Secrets at the Great Wall • Watch with subtitles
Episode 6: Secrets at the Great Wall
August 18, 2019 • 45 min
The Great Wall of China is one of the world's greatest engineering marvels, and it took dangerous, cutting-edge construction to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as deadly.
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