Klara Bleyer of Team Germany competes in the Artistic Swimming Women's Solo Technical Preliminaries on day one of the Fukuoka 2023 World Aquatics Championships at Marine Messe Fukuoka Hall A on July 14, 2023 in Fukuoka, Japan. (Photo by Marko Djurica/Reuters)

Lauren Metzler, founder of Sydney Mermaids, prepares for a swim at Manly Cove Beach in Sydney, Australia, Thursday, May 26, 2022. There is a strong need, especially after COVID-related lockdowns, to simply play and enjoy creativity, Metzler says. (Photo by Mark Baker/AP Photo)

China's Sun Jiajun competes during the men's 4x100m medley relay swimming heat at the 19th Asian Games in Hangzhou, China, Tuesday, September 26, 2023. (Photo by Lee Jin-man/AP Photo)

People pose for a photo with certificates after swimming in the ocean for the 121st annual Coney Island Polar Bear Club's New Year's Day plunge at Coney Island beach in the Brooklyn borough of New York, New York, USA, 01 January 2024. (Photo by Sarah Yenesel/EPA)

Musicians play as bathers run into the chilly waters of English Bay while celebrating New Year's Day with the Polar Bear Swim in Vancouver, British Columbia, Canada on January 1, 2024. (Photo by Chris Helgren/Reuters)

Spectators jump in a makeshift swimming pool set up along the race route as the pack of riders (peloton) cycles past, during the 9th stage of the 112th edition of the Tour de France cycling race, 174.1 km between Chinon and Chateauroux, central France, on July 13, 2025. (Photo by Marco Bertorello/AFP Photo)

National Geographic photographer Steve Winter has spent most of his adult life shooting wild cats. Photo: A 14-month-old cub, cooling off in a pond, is riveted by a deer that appeared near the shore. Tigers are powerful swimmers; they can easily cross rivers four to five miles wide and have been known to swim distances of up to 18 miles. (Photo by Steve Winter/National Geographic)

A South Korean diver clad in Santa Claus costume swims with sardines at The Coex Aquarium on December 8, 2012 in Seoul, South Korea. Even though the official religion of South Korea is Buddhism, about 30 percent of it is Christian and Christmas is one of the biggest holidays to be celebrated in South Korea. (Photo by Chung Sung-Jun)