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Ancient Egyptian Building Methods Inspired this Grand Canyon Bridge | Host Jay Ellis

1,985 Visningar· 12/04/23
Smithsonian Channel
Smithsonian Channel
1,606 Prenumeranter
1,606

To build the breathtaking Skywalk Glass Bridge over the Grand Canyon, workers constructed the horseshoe-shaped walkway 50 feet back from the edge, and then slowly rolled it out over the canyon–a...

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