Japanese monkeys look relaxed as they soak in a hot spring at the Hakodate Tropical Botanical Garden in Hakodate in Hokkaido, northern Japan, on January 14, 2022. (Photo by Kyodo News/Action Press via Reuters)

A man cools off under a pipe of flowing water on a hot summer day in New Delhi, India, May 11, 2022. (Photo by Anushree Fadnavis/Reuters)

Revellers hit the booze cruise in the Croatian port city of Split on August 11, 2023. The hot new party town for Brits. Boat Party booze cruise with Split after dark. (Photo by Darren Fletcher)

Local residents crowd a swimming pool during a hot weather in Suining, Sichuan province, 27 July 2008. (Photo by Reuters/Stringer)

A man dives into a canal during a hot day in Larkana district of Sind province on July 20, 2023. (Photo by Ahmed Raza Soomro/AFP Photo)

A couple pours water on their dogs during a hot day, in Rome, Thursday, August 12, 2021. In Italy, 15 cities received warnings from the health ministry about high temperatures and humidity with peaks predicted for Friday. The cities included Rome, Florence and Palermo, but also Bolzano, which is usually a refreshing hot-weather escape in the Alps. (Photo by Andrew Medichini/AP Photo)

A hot air-balloon flies during the International Lorraine Mondial Air Balloons Festival, in Chambley-Bussieres, eastern France, Friday, July 26, 2013. (Photo by Mathieu Cugnot/AP Photo)

A hot air balloon floats past an almost full rising moon on a warm fall evening near Encinitas, California October 5, 2014. (Photo by Mike Blake/Reuters)