Artist Will Ryman poses for photographs next to his installation entitled “The Bed” at the Saatchi Gallery in Chelsea on January 7, 2008 in London, England. (Photo by Chris Jackson/Getty Images)

A caterpillar driven ferry with a 24 horsepower engine takes holidaymakers from the mainland at Bigbury in Devon to Burgh Island, a quarter of a mile away. (Photo by Reg Speller/Fox Photos/Getty Images). 4th April 1935

An inflatable snake hovers during a performance by the French street theater company Plasticiens Volants on September 4, 2011 in Berlin, Germany. The spectale, featuring gigantic flying inflatable fairy-tale creatures and performers on stilts and in costume was a part of celebrations for the 125th anniversary of the Kurfuerstendamm, known locally as the Ku'damm, a shopping boulevard. (Photo by Adam Berry/Getty Images)

Former Ministry of Defence motorbikes (guide price £650 to £1250) being serviced ready for potential buyers on August 12, 2011 in Colsterworth, England. Witham LTD sells a variety of former MOD equipment and vehicles to foreign countries, domestic companies and private individuals. (Photo by Matthew Lloyd/Getty Images)

An installation consisting of a series of bird boxes is displayed in a tree in Duncan Terrace Gardens in Islington on March 24, 2011 in London, England. The boxes by artists Bruce Gilchrist and Jo Joelson of “London Fieldworks”, were designed to reflect the architecture of the Georgian terraces and flats that surround the park in the community gardens. (Photo by Dan Kitwood/Getty Images)

Meri Nirmala Sari, 11, poses in her traditional costume before a performance August 6, 2002 in Ubud, Bali, Indonesia. Meri dances with the Gunung Sari Peliatan dance group and has become a professional. She started dancing at age 5. (Photo by Paula Bronstein/Getty Images)

Hollowed pumpkins float on a lake Ludwigsburg Castle on September 19, 2010 in Ludwigsburg, Germany. (Photo by Ralph Orlowski/Getty Images)

A Thai drug user mixes the popular cheap narcotic drink as it is cooked over a fire on September 1, 2011 in Narwathiwat, southern Thailand. (Photo by Paula Bronstein/Getty Images)