A member of the German wireless police picks up signals on the radio equipment he carries on his back, while his colleague takes notes. (Photo by General Photographic Agency/Getty Images). Circa 1925
Captain George Ash lies on his back as he prepares to shoot the bowl from the clay pipe held between a blindfolded corporal's teeth. (Photo by Fox Photos/Getty Images). 18th April 1932
62-year-old Count Scarpa, a quirky millionaire from Sao Paolo, Brazil, announced he has decided to do like the pharaohs and entomb his $500,000 Bentley Continental Flying Spur in his back garden, on Monday, via Facebook.
Sean Phillips flies through the air as he demonstrates the JetLev water propelled jet pack that is strapped to his back at the Yacht & Brokerage Show on February 17, 2012 in Miami Beach, Florida. (Photo by Joe Raedle/Getty Images)
The Jade Belt Bridge, also known as the Camel's Back Bridge, is an 18th-century pedestrian Moon bridge located on the grounds of the Summer Palace in Beijing, China. It is famous for its distinctive tall thin single arch.
From the waters edge a New York policeman urges two young children to put their bathing costumes back on. (Photo by Ed Clarity/Keystone/Getty Images). July 1949
Back in September, French photographer Clement Briend projected giant gargoyle heads on to trees at Parc de Saint-Cloud near Paris. The installation was part of European Heritage Days 2012.
Stars are printed in the sand by a tractor as it drags a giant roller back and forth across the beach, then left to fade at the mercy of footsteps and the tide in this installation by Swedish artist Gunilla Klingberg.