Man Made

Grand Canyon Skywalk (2x53)

Udgivelsesdato: Apr 02, 2009

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.