Air conditioners, more than 500 in total, hang on the wall of an office building on August 15, 2011 in Fuzhou, Fujiang Province of China. This 25-story office building was built with no central air conditioner system, each office has it own individual unit installed on the exterior creating this wall of air conditioners. (Photo by ChinaFotoPress/Getty Images)

BAZ-69092-012 special wheeled chassis. Exhibition of military vehicles at Bronnitsy test range (a town in Moscow Oblast, Russia, located 54.5 kilometers (33.9 mi) southeast of central Moscow). Juny 10, 2011. (Photo by Vitaly Kuzmin)

Smalldog Imageworks Creative Retouching for Chick-fil-A Cows Calendar «Trail Grazers» by photographer Andy Mahr, 2011. (Photo by Andy Mahr)

Luke Timms of Australia poses during the pre judging of the IFBB Australian Pro Grand Prix XI at Plenary Hall on March 12, 2011 in Melbourne, Australia.

Protesters wave Lebanese flags during a demonstration on March 13, 2011 in Beirut, Lebanon. Tens of thousands of Lebanese opposition supporters demanded Hezbollah be disarmed as they rallied to mark the sixth anniversary of a popular uprising against Syrian troops in the country.

A racegoer cheers on their horse at Cheltenham Racecourse for ladies day on March 16, 2011 in Cheltenham, England.