BMX biker and event compere Ben Manuel warms up for the annual Hub Festival May 20, 2011 in Liverpool, England. This weekend's annual hub festival is an urban mix of art, music and action sports staged at Otterspool Promenade and attracts the top BMX, Skateboarders, artists and musical talent from across the UK. (Photo by Christopher Furlong/Getty Images)

A demonstrator carries a placard reading “One more day of reflection” as she dances with others at Sol Square on May 21, 2011 in Madrid, Spain. A growing number of angry Spaniards have, encouraged by youth groups and social media campaigns, taken possession of the Sol square setting it up with tents and kitchens ahead of Sundays regional and municipal elections held in Spain. (Photo by Jasper Juinen/Getty Images)

Dove Jo (L) and HJ Kim kiss beneath a 26-foot statue inspired by the iconic kiss between a nurse and a sailor in Times Square August 12, 2010 in New York City. Alfred Eisenstaedt took the famous photograph on V-J Day marking the end of World War II. (Photo by Mario Tama/Getty Images)

An American flag flutters on a young tree stripped of bark after a massive tornado passed through the town killing at least 116 people May 24, 2011 in Joplin, Missouri. The tornado that ripped through the town of about 50,000 people May 22, is being called the deadliest single tornado in the U.S. in 60 years. (Photo by Julie Denesha/Getty Images)

A plume of smoke rises above Gaza City as Israeli air strikes hit on August 18, 2011 in Gaza City, Gaza. The airstrikes came hours after attacks by militants killing Israelis in a cross border operation near Eilat, Southern Israel. (Photo by Christopher Furlong/Getty Images)

A competitor scrambles in the mud under barbed wire during the Tough Guy Challenge 2009 at South Perton Farm on February 1, 2009 in Wolverhampton, England. The biannual event to raise cash for charity challenges thousands of international competitors to run through a gruelling set of 21 obstacles including water, fire and tunnels after a lengthy run at the start. (Photo by Christopher Furlong/Getty Images)

Caroline Wozniacki of Denmark serves in her match against Kaia Kanepi of Estonia during day four of the Toray Pan Pacific Open at Ariake Colosseum on September 28, 2011 in Tokyo, Japan. (Photo by Koji Watanabe/Getty Images)

People look at lighting artist Bruce Munro's latest installation “Field of Light” is seen in the grounds of the Holbourne Musuem on November 23, 2011 in Bath, England. (Photo by Matt Cardy/Getty Images)