Smithsonian Channel | Ancient Egyptian Building Methods Inspired this Grand Canyon Bridge | Host Jay Ellis @SmithsonianChannel | Uploaded 1 year ago | Updated 18 hours ago
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 system used by the ancient Egyptians to build their pyramids.

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