Man-Made
Season 7 Episode 06 "Grand Canyon Skywalk" Get exclusive access to the construction of a man-made marvel suspended over one of Mother Nature's greatest wonders a horseshoe-shaped, glass-floored bridge that allows visitors to walk where eagles fly. NGC takes viewers behind the daring design and death-defying construction of the Grand Canyon Skywalk, formed from 1 million pounds of steel and glass, perched 4,000 feet above the Colorado River.
Length: 45 min 48 sec
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