Adjacent to Grand Canyon National Park, the Hualapai Tribe in Peach Springs, Ariz., is building a Skywalk extending 70 feet over the South Rim of the Grand Canyon. The U-shaped, glass-bottom steel structure will hold 120 people 4,000 feet above the canyon. (Mark Boster / LAT)
Adjacent to Grand Canyon National Park, the Hualapai Tribe in Peach Springs, Ariz., is building a Skywalk extending 70 feet over the South Rim of the Grand Canyon. The U-shaped, glass-bottom steel structure will hold 120 people 4,000 feet above the canyon. (Mark Boster / LAT)
