Parked scooters and motorcycles in a line on January 13, 2012 in London, England. Statistics showed a 12% increase in scooter registration in 2011, with cost savings on petrol, parking and congestion charge (in London) believed to be the primary factor. (Photo by Matthew Lloyd/Getty Images)

Wrecked tanks are seen close to the road that leads to the village of Imber on December 31, 2011 on Salisbury Plain, England. (Photo by Matt Cardy/Getty Images)

Actor Bruce Willis and wife Emma Heming arrive at the premiere of the HBO documentary 'His Way' at Paramount Studios on March 22, 2011 in Hollywood, California.

Sebastian Vettel of Germany and Red Bull Racing tries his hand at sheep shearing as he visits a local farm during previews to the Australian Formula One Grand Prix on March 23, 2011 in Melbourne, Australia.

Regina Halmich and Sergiy Plyuta perform during the 'Let's Dance' TV show at Coloneum on March 23, 2011 in Cologne, Germany.

Families and relatives of the dead cry as they identify their family members at a temporary burial ground March 25, 2011 in Higashi Matsushima , Japan. (Photo by Paula Bronstein /Getty Images)

Porcelain Black performs during the ' I Am Still Music' Tour at the Wells Fargo Center on March 26, 2011 in Philadelphia, Pennsylvania