Link to Man made: Grand Canyon skywalk documentary
Documentary Description
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.