Grand View Photos
Apollo 11 astronaut Buzz Aldrin waves to the crowd before taking his first steps on the Skywalk during the First Walk ceremonies at the Grand Canyon on the Hualapai Indian Reservation, Tuesday, March 20, 2007, at Grand Canyon West, Ariz. The Skywalk opens to the general public on March 28.
(Photo: AP/Arizona Republic, R. Schumacher)
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