A man pours water on his camel on a hot summer day in Ahmedabad, India, May 18, 2017. (Photo by Amit Dave/Reuters)

A mahout bathes his elephant in the river Sabarmati on a hot summer day in Ahmedabad, India May 21, 2017. (Photo by Amit Dave/Reuters)

People play on a beach along the Arabian Sea on a hot summer day in Mumbai, India, April 29, 2016. (Photo by Danish Siddiqui/Reuters)

People enjoying the hot weather on Brighton beach in Sussex, England on August 7, 2020. (Photo by Stephen Lock/i-Images)

American singer-songwriter Olivia Rodrigo is red hot backstage at her show in Argentina in the last decade of March 2025. (Photo by oliviarodrigo/Instagram)

People cool off by diving into a swimming pool on a hot summer day in Amritsar, India, on June 8, 2025. (Photo by Narinder Nanu/AFP Photo)

Kokeshi dolls these traditional wooden figurines were said to have been originally made as souvenirs to sell to people visiting the local hot springs in Northern Japan. Although there are about 10 different styles, each doll is made with an enlarged head and cylindrical body with no arms or legs.

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)