The Seattle Times

GEORGE WALSH / AP
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Tuesday, March 25, 2014

Workers dangle from ropes to clean Skywalk glass

Technicians dangle from a series of ropes on Tuesday before polishing the underside glass at Grand Canyon Skywalk in Hualapai Reservation, Ariz. There are more than 40 panes of glass underneath the horseshoe-shaped bridge that juts out 70 feet from the edge of the Grand Canyon, offering visitors a view of the Colorado River 4,000 feet below..