To mark Halloween, 150 teens descended upon a swimming pool in Essex to help mobile network giffgaff recreate the famous Tomatina tomato fight... only this time, with blood and guts. Different takes #giffgaffguts. On October 18, 2013 in Dagenham, England. (Photo by Dave J. Hogan/Stringer for giffgaff)

In this undated handout photograph from the “Inside Out Project”, a poster bearing the image of a Pakistani girl whose parents, lawyers say, were killed in a drone strike, lies in a field at an undisclosed location in the northwestern Khyber-Pakhtunkhwa province. A group of artists in Pakistan are hoping to generate “empathy” among US drone operators by placing giant posters of children in the country's troubled tribal regions. (Photo by AFP Photo)

“Don't Leave Any Food On Your Plate”. The giraffes at Nairobi's Giraffe Manor are totally at home with humans. They will eat out of your hand, or even off your plate. Photo location: Giraffe Manor, Nairobi, Kenya. (Photo and caption by Gavin Werbeloff/National Geographic Photo Contest)

Jamon, a mini pig from São Paulo, Brazil, just may be the most handsome devil on Instagram right now. The pig has amassed more than 55,000 followers who fawn over his every move and his festive outfits, from Hawaiian shirts to sombreros, and even turtle costumes. (Photo by Instagram)

Robert The Bruce's army from The Clanranald Trust during a rehearsal for the Battle of Bannockburn re-enactment performance which will be staged at the Bannockburn Live Event in Bannockburn, the 700th anniversary of the battle, on June 27, 2014. (Photo by Andrew Milligan/PA Wire)

A Romanian honor guard soldier stands still as three military aircraft carriers are crossing the sky during a ceremony held at the Unknown Soldier Memorial, in Carol I Park, on the occasion of the Heroes' Day commemoration, in Bucharest, Romania, 10 June 2021. (Photo by Robert Ghement/EPA/EFE)

Journeys and adventures winner – This is My Jungle. A wild elephant attacks a jeep full of people. “We should respect nature and care more about it, but we should also avoid taking unnecessary and reckless risks”. (Photo by Savvi Sergey/SIPA Contest)

Cookie the cockapoo dog is enjoying herself on the beach by jumping over a sea defence as the sun shines at Heacham, West Norfolk, England on July 14, 2020. (Photo by Paul Marriott/Rex Features/Shutterstock)