Sandrine Kerfante has had a fascination with “doubles” ever since meeting her mother’s twin as a child. In 2012, this lifelong captivation inspired her to create a blog called twin-niwt, which celebrates photographs of doubles in all their forms. “I’m fascinated by the idea of the duo, repetition, symmetry, reflection, mirror games and all the symbolism associated with it”, she says. “I think it’s a topic often present in photography, more or less consciously”. (Photo by Sandrine Kerfante/The Guardian)

Facade of the “Porcelain House”, built by Chinese collector Zhang Lianzhi, on November 1, 2008 in the Heping district of Tianjin, China. Over 400 million porcelain fragments, 5,000 ancient vases, 4,000 antique china dishes and bowls, over 20 tons of crystalline rocks and agate, 400 white marble stone carvings were incorporated in the five year refurbishment of the unique French styled house. (Photo by China Photos/Getty Images)

The Temple of Heaven (The Qi Nian Temple) is illuminated as Beijing celebrates the New Year's Eve at the Temple of Heaven Park on December 31, 2011 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

A visitor tries out the new glass Skywalk at the top of the refurbished Blackpool Tower on September 1, 2011 in Blackpool, England. After a GBP Ј20 million refurbishment, the iconic seaside Blackpool Tower opened today to the general public. The observation deck at the top of the tower becomes the Blackpool Tower Eye and features a skywalk made of glass overlooking the sea and the promenade. The opening is part of Blackpool's GBP Ј250 million GBP regeneration project. (Photo by Christopher Furlong/Getty Images)

They were taken by Adrian Limani, 21, who got his brother to leap for the sake of his art a few weeks ago in Raince, Serbia.

Israeli mounted policemen move crowds of Palestinian protestors during a demonstration marking Land Day in the east of the city on March 30, 2012 outside the old city of Jerusalem, Israel. Land Day, which began in 1976, marks the day Israeli forces killed six Palestinians during a protest against Israeli occupation of what Palestinians consider to be their land. Palestinians around the world will commemorate Land Day with protests and demonstrations. (Photo by Lior MizrahiGetty Images)