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)

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)

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)

The Philly Phanatic has fun with a fan during game four of the NLCS against the San Diego Padres for the 2022 MLB Playoffs at Citizens Bank Park in Philadelphia, Pennsylvania on October 22, 2022. (Photo by Kyle Ross/USA TODAY Sports)

Colombia supporters having fun during the FIFA Women's World Cup Australia & New Zealand 2023 Group H match between Germany and Colombia at Sydney Football Stadium on July 30, 2023 in Sydney, Australia. (Photo by Carl Recine/Reuters)

Young Legong dancer portrait, Ubud, Bali on October 25, 2023. While the childrens' parents are out working, in pursuits including farming, fishing and clothes making, their offspring spend the long sunny days making their own fun, and as these pictures show not a minute is wasted. (Photo by David Lazar/Animal News Agency)

People have fun on an alley through Christmas lights in downtown Chisinau, Moldova, 23 December 2021. Traditionally, people from former countries of the Soviet Union, still celebrate Christmas on two occasions, on 25 December and 07 January. (Photo by Dumitru Doru/EPA/EFE)

Battersea Power Station Ice Rink in London, United Kingdom on November 13, 2022. Running until 8th Jan. 2023, a large outdoor ice-rink outside the power station and next to the riverside brings in festive Christmas fun with vivid illumination. (Photo by Guy Corbishley/Alamy Live News)