Release Date: August 18, 2019
If We Built It Today
1080p
2019
Published on, 1 year ago
If We Built It Today
Secrets at the Great Wall 1 Season 6 Episode
45 min
2019
Published on, 1 year ago
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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