Megastructures

Megastructures

Grand Canyon Skywalk
National Geographic  |  June 24, 2013

Perched 4,000 feet above the Colorado River over the edge of the Grand Canyon, the horseshoe shaped skywalk's glass bridge is one of the most innovative engineering marvels of our time.

Perched 4,000 feet above the Colorado River over the edge of the Grand Canyon, the horseshoe shaped skywalk's glass bridge is one of the most innovative engineering marvels of our time.

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