Mud Madness at the annual Jaffa Cakes charity three-mile run at Foymore Lodge near Portadown this afternoon, on April 13, 2014. A total of a thousand competitors and fun-runners took part in the two races held over the mudstrewn endurance course. (Photo by Alan Lewis/Photopress Belfast)

Revellers out and about in Newcastle, England on “Black Eye Friday” or “Mad Friday” on December 22, 2017 as people across the country celebrate the start of the Christmas break by hitting bars, pubs and clubs. This partygoer had so much fun she looks lost. (Photo by Craig Connor/North News and Pictures)

Playful little Asian girl having fun with Christmas decorations, holding up pine cones over eyes against decorated Christmas tree at Christmas time. Christmas lifestyle. Celebrating Christmas. Holiday and festive vibes. (Photo by d3sign/Getty Images)

A giant shoe is pictured outside a life-size “Barbie Dreamhouse” of Mattel's Barbie dolls in Berlin, May 15, 2013. The life-sized house, covering about 1,400 square metres offers visitors to try on Barbie's clothes in her walk-in closet, tour her living room and her kitchen. (Photo by Fabrizio Bensch/Reuters)

Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, at 11.11 am in Cologne, Germany, November 11, 2016. (Photo by Wolfgang Rattay/Reuters)

Watermelons are one of the sweetest parts of summer, but there’s no reason not to have some fun with them before you start eating. Artist Clive Cooper of Sparksfly Design saw beauty in the rinds and got to work carving sculptures out of the fruit before digging in. (Photo by Clive Cooper)

Young people fight for fun with their pillows, during the International Pillow Fight Day at the Place des Grottes, in Geneva, Switzerland, Saturday, April 4, 2015. The annual International Pillow Fight Day takes place in hundreds of cities around the world. (Photo by Salvatore Di Nolfi/AP Photo/Keystone)

Competitors in costume cross a water obstacle during the Wildsau Dirt Run (Wild Boar Dirt Run) obstacle course fun race at Hellsklamm ravine in Obertriesting, Austria, October 22, 2016. (Photo by Heinz-Peter Bader/Reuters)