Grand Canyon Skywalk Arizona – USA Extreme building view
Sabtu, 26 Juni 2010
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 –
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