Revellers brave the chill and jump into the water at Carnlough, Co. Antrim, Northern Ireland on January 1, 2024. (Photo by Arthur Allison/Pacemaker)

Triathletes swim during an Ironman event in Taupō, New Zealand, on Saturday, March 1, 2025. (Photo by Phil Walter/Getty Images)

Dance artist HorsegiirL poses at the BRIT Awards at the O2 Arena in London, Britain, on March 1, 2025. (Photo Isabel Infantesby/Reuters)

Florin Bors, aged 8 from Bacau, northern Romania, wearing a bear fur takes a break from performing a holiday season ritual in Bucharest, Romania, Tuesday, December 16, 2014. In pre-Christian rural traditions, dancers wearing colored costumes or animal furs, touring house to house in villages singing and dancing to ward off evil. In recent years following the economic downturn in Romania, a European Union member since 2007, the tradition has moved to Romania's cities where dancers travel to perform the ritual for money. (Photo by Octav Ganea/AP Photo/Mediafax)

An enthusiast dressed as a zombie takes part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

A woman sells vegetables near a Metro train station in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)

Revellers celebrate New Year's Day in central Moscow, Russia, January 1, 2016. (Photo by Tatyana Makeyeva/Reuters)

Internally displaced Syrian children play inside a refugee camp in the Hama countryside, Syria January 1, 2016. (Photo by Ammar Abdullah/Reuters)