A model walks the runway at the Elie Saab fashion show during Paris Fashion Week on March 9, 2011 in Paris, France.

A Thai woman walks through the deep flooded streets October 21, 2011 in Pathumthani on the outskirts of Bangkok, Thailand. (Photo by Paula Bronstein/Getty Images)

A model wearing a Maxime Rappaz design, winner of the Annabelle Award, walks the runway during the second day of the Charles Voegele Fashion Days on November 10, 2011 in Zurich, Switzerland. (Photo by The Image Gate/Getty Images for IMG)

Astronaut Edwin E. Aldrin Jr. walks near the Lunar Module during the Apollo 11 extravehicular activity July 20, 1969 on the Moon. (Photo by NASA/Newsmakers)

Musician Simon Desorgher walks his giant sphere on the foreshore of the River Thames after a rehearsal for a performance of “Water Cycle for flute and sound system” on the river on September 11, 2009 in London, England. (Photo by Peter Macdiarmid/Getty Images)

A man walks past specially designed wash basins in a public toilet at the Foreigners Street on April 26, 2007 in Chongqing Municipality, China. (Photo by China Photos/Getty Images)

A model walks the runway at the Iris Van Herpen Haute Couture autumn winter 2011 fashion show during Paris Haute Couture Week on July 4, 2011 in Paris, France. (Photo by Nathalie Lagneau/Catwalking/Getty Images)