A Sumatran Tiger looks at visiting children from it's enclosure during the ZSL London Zoo's annual stocktake of animals on January 5, 2015 in London, England. The zoo's annual stocktake requires keepers to check on the numbers of every one of the 800 different animal species, including every invertebrate, bird, fish, mammal, reptile, and amphibian. (Photo by Dan Kitwood/Getty Images)

Performers eat their lunch before the start of the New Year's Day Parade in London, January 1, 2016. (Photo by Kevin Coombs/Reuters)

Nicole Scherzinger attends The BRIT Awards 2012 at the O2 Arena on February 21, 2012 in London, England. (Photo by Gareth Cattermole/Getty Images)

Eduardo Alan of Argentina and Pampa Racing gets his Yamaha motorbike stuck in the sand during stage five of the 2012 Dakar Rally from Chilechito to Fiambala on January 5, 2012 in Fiambala, Argentina. (Photo by Bryn Lennon/Getty Images)

Contestants compete in the swimsuit segment of the Miss Venezuela 2012 pageant in Caracas August 30, 2012. The winner of the competition will participate in the 2013 Miss Universe pageant. (Photo by Carlos Garcia Rawlins/Reuters)

Beekeeper and Chairman of The London Beekeepers Association John Chapple installs a new bee hive on an urban rooftop garden in Hackney on July 1, 2009 in London, England. (Photo by Dan Kitwood/Getty Images)

Artist Heather Dewey-Hagborg's 'Stranger Visions', comprising of 3D printed faces extracted from DNA taken from discarded cigarette butts and chewing gum, is displayed at the Big Bang Data exhibition at Somerset House on December 2, 2015 in London, England. The show highlights the data explosion that's radically transforming our lives. It opens on December 3, 2015 and runs until February 28, 2016 at Somerset House. (Photo by Peter Macdiarmid/Getty Images for Somerset House)