SEE IT: Workers dangle 4,700 above the Grand Canyon (VIDEO)
If you think walking on a skywalk is nerve-racking, try hanging below it! Workers dangled from ropes 4,700 feet above the Grand Canyon to clean the glass at the skywalk.
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If you think walking on a skywalk is nerve-racking, try hanging below it! Workers dangled from ropes 4,700 feet above the Grand Canyon to clean the glass at the skywalk.
WATCH