A man walks with a camel at Birqash camel market on January 27, 2012 in Cairo, Egypt. On the edge of the western dessert, thousands of camels are bought and sold every Friday at Brqash camel market, one of the biggest in the Middle East. (Photo by Jeff J. Mitchell/Getty Images)

Demonstrators march on a Slutwalk on June 4, 2011 in Glasgow, Scotland. Glasgow's first ever sl*t walk made its way through the town center streets in a bid to raise awareness about commonly-held attitudes towards rape and sexual assault. (Photo by Jeff J Mitchell/Getty Images)

Florence the baby zebra foal, runs in its enclosure at Edinburgh zoo September 4, 2008 in Edinburgh, Scotland. This arrival at the zoo is particularly important as the Grevy's zebra is listed as endangered, with only an estimated 1,500 to 2,000 remaining in the wild. (Photo by Jeff J Mitchell/Getty Images)

Racing driver J. Gaal at the wheel of car number 26 at the RAC Tourist Trophy, run, for the first time, over the Four Inch Course on the Isle of Man, 17th September 1908. Gaal is racing in waterproofs. (Photo by Topical Press Agency/Hulton Archive/Getty Images)

Stagecoach tests the amphibious bus, on the River Clyde on February 9, 2010 in Glasgow, Scotland. The Ј700,000 Dutch made amfibus could eventually replace the existing ferry service which is being scraped in March due to costs. (Photo by Jeff J Mitchell/Getty Images)

(L-R) Daniel Radcliffe, Emma Watson, J K Rowling and Rupert Grint attend the World Premiere of “Harry Potter And The Deathly Hallows: Part 1” held at The Odeon Leicester Square on November 11, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

Enthusiasts gather for the Model Rail Scotland exhibition on February 24, 2012 in Glasgow, Scotland. (Photo by Jeff J. Mitchell/Getty Images)

Students from St Andrew's University indulge in a tradition of covering themselves with foam to honour the “academic family” on October 20, 2014, in St Andrews, Scotland. Every November the “raisin weekend” which is held in the university's Lower College Lawn, is celebrated and a gift of raisins (now foam) is traditionally given by first year students to their elders as a thank you for their guidance and in exchange they receive a receipt in Latin. (Photo by Jeff J. Mitchell/Getty Images)