A life-size interactive inflatable sculpture of Stonehenge called “Sacrilege 2012” by English contemporary artist Jeremy Deller on display as part of the “Inflation!” exhibition curated by Mobile M + on April 24, 2013 in Hong Kong. The inflatable artwork is one of six on display as part of the exhibition which is open from April 25, 2013 until June 9, 2013. (Photo by Jessica Hromas)

Cassie Douthwaite (L) and Stuart Abercrombie from Preston pose for a portrait in Brighton, southern England February 16, 2013. Brighton hosts “The Brighton Tattoo Convention” this weekend, an annual two-day gathering which attracts visitors, performers and tattoo artists from around the world. Photograph taken February 16, 2013. (Photo by Toby Melville/Reuters)

Boys play football in a shantytown of Olinda, about 18 km from Recife in northeastern Brazil, on June 18, 2013 as the FIFA Confederations Cup Brazil 2013 football tournament is being held in the country. The historic centre of Olinda is listed as an UNESCO World Heritage Site. (Photo by Yasuyoshi Chiba/AFP Photo)

A woman looks out of a dusty window after boarding a bus to be transported to see the casket of Nelson Mandela at the Union Buildings in Pretoria, South Africa, Wednesday December 11, 2013. On Thursday, December 5, 2013, Mandela died at the age of 95. (Photo by Markus Schreiber/AP Photo)

An employee at Christie's auction house examines a complete sub-fossilised elephant bird egg on March 27, 2013 in London, England. The elephant bird egg is expected to fetch 30,000 GBP when it features in Christie's “Travel, Science and Natural History” sale, which is to be held on April 24, 2013 in London. (Photo by Oli Scarff)

Members of the 2013 “Jarl Squad” take part in the annual Up Helly Aa festival which culminates in the burning of a Viking Galley in Lerwick, Shetland Islands on January 29, 2013. Up Helly Aa celebrates the influence of the Scandinavian Vikings in the Shetland Islands and has employed this theme in the festival since 1870. The event culminates with up to 1,000 “guizers” (men in costume) throwing flaming torches into their Viking longboat. (Photo by Andy Buchanan/AFP Photo)