A Capybara bathes in the hot spring water at the Saitama Children's zoo in Higashi Matsuyama city, Saitama prefecture on December 21, 2014. Seven capybaras in the zoo, originally from South America, enjoyed the hot spring water on the chilly winter day in Japan. (Photo by Toshifumi Kitamura/AFP Photo)

Capybaras bathe in the hot spring water at the Saitama Children's zoo in Higashi Matsuyama city, Saitama prefecture on December 25, 2013. 13 capybaras in the zoo, originally from South America, enjoyed the hot spring water. (Photo by Toshifumi Kitamura/AFP Photo)

The first legal wedding ceremony in history was performed in a hot tub when Leslie Davis, 23, and Richard Bustardo, 29, got married during the Backyard Living Show in Los Angeles, March 26, 1975. The ceremony was held in a five-foot hot tub, with the bride wearing a bikini and the groom attired in swimming trunks and top hat. In background is best man Arnold Holland and bridesmaid Bonnie Heckenbach, who joined the couple in the same hot tub. Officiating is Betty Jane Shaw, left. (Photo by Harold Filan/AP Photo)

American television personality Dolores Catania in the first decade of February 2024 gets the “hot gossip” in a staged photo. (Photo by dolorescatania/Instagram)

A cycle-rickshaw puller takes a nap during a hot afternoon along a street in Amritsar on April 19, 2022. (Photo by Narinder Nanu/AFP Photo)

American actress Kiernan Shipka stretches her hot-pink look across a boat in the second half of April 2022. (Photo by Instagram/kiernanshipka)

A mahout splashes water on his elephant in the river Sabarmati on a hot summer day in Ahmedabad, India, May 20, 2015. (Photo by Amit Dave/Reuters)

A mahout splashes water on his elephant on a hot summer day in Ahmedabad, India on April 8, 2019. (Photo by Amit Dave/Reuters)