A Russian trenchmortar crew run to take up a new firing position in the Stalingrad area during the Great Patriotic War. (Photo by Keystone/Getty Images). October 1942

Jewels Lewis poses as the first customer to purchase the new Apple iPad 2 at Apple Store, Regent Street on March 25, 2011 in London, England. The latest iPad went on sale in the UK at 5:00pm.

Blue Man Group founders Phil Stanton, Chris Wink and Matt Goldman pose for a photo at the Blue Man Group's 20th anniversary reunion show to benefit The Blue School at the Astor Theater on April 13, 2011 in New York City.

Debri is shown scattered in the carpark of the Albany MegaCentre after a tornado struck the area on May 3, 2011 in Auckland, New Zealand. At least one person has been confirmed dead and there were several people injured after the tornado struck around 3pm.

A man holds onto a tree by the seashore (possibly along the Shore Parkway Greenway) against severe winds during Hurricane Carol's assault on the Northeastern seaboard, Brooklyn, New York, August 31, 1954. (Photo by Hulton Archive/Getty Images)

The new Batmobile designed by Gordon Murray to be used in the live stage production of Batman Live World Arena Tour is unveiled for the first time at LH2 Studios on June 15, 2011 in London, England. (Photo by Gareth Cattermole/Getty Images)

A New York window cleaner strapped to the side of The RCA Building in the Rockefeller Center, with St Patrick's Cathedral below him to the left. (Photo by William Lovelace/Express/Getty Images). 2nd May 1961

Singer Selena Gomez performs at the PNC Bank Arts Center on August 20, 2011 in Holmdel, New Jersey. (Photo by Michael Loccisano/Getty Images)