Grand Canyon’s Skywalk, shown above at its opening in March 2007, juts out above the Colorado River by 4,000 feet.
Grand Canyon’s Skywalk, shown above at its opening in March 2007, juts out above the Colorado River by 4,000 feet. Ross D. Franklin Associated Press file
Grand Canyon’s Skywalk, shown above at its opening in March 2007, juts out above the Colorado River by 4,000 feet. Ross D. Franklin Associated Press file