Horseshoe-shaped platform tense depends exactly 4000 feet above the ground and extends 65 feet from the edge of the Grand Canyon cliff. Horseshoe-shaped Skywalk is built of four-inch-thick glass walls and visitors were required to wear socks, anti-scratch whenever you want to go and see the sights there. This work is a remarkable piece of architecture that can withstand weight up to 70 tons (equivalent to 14 African elephants) and can withstand winds up to 100 meters per hour.Grand Canyon Skywalk Arizona Grand Canyon Skywalk  Arizona
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