A vistior takes photos during media day on the Skywalk at Grand Canyon West following opening ceremonies on the Hualapai Indian Reservation in Arizona, 20 March 2007. The USD 30 million glass-bottomed walkway juts out 70 feet from the rim at an evelationof 4,000 feet above the Colorado River. The Hualapai tribe hopes this one-of-a-kind attraction will lure tourists to the remote area approximiately 2.5 hours from Las Vegas by car. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)