Original sentence: Destination Grand Canyon West official site.Grand Canyon Skywalk official site.The horseshoe-shaped glass walkway is suspended at an advertised 1,200 meters (4,000 feet) above the floor of the canyon, a height that eclipses the world's largest skyscrapers
Edited sentence: Grand Canyon Skywalk Official site.The horseshoe-shaped glass walkway is suspended a claimed 1,200 meters (4,000 feet) above the floor of the canyon, a height that eclipses the world's largest skyscrapers