Tattoo artists work on clients during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)

People are cooling off at a water park in Nanjing, East China's Jiangsu province, on July 8, 2023. (Photo by Costfoto/NurPhoto/Rex Features/Shutterstock)

Russian Orthodox believers take a dip in the ice cold water of a pond during the celebrations of the Orthodox Epiphany holiday, in Moscow, Russia on January 18, 2024. People believe that dipping into blessed waters during the holiday of Epiphany strengthens their spirit and body. (Photo by Yuri Kochetkov/EPA/EFE)

People shop at a market ahead of the Lunar New Year in Hong Kong on February 6, 2024 ahead of the Lunar New Year of the Dragon which falls on February 10. (Photo by Peter Parks/AFP Photo)

Life-size sеx dolls are displayed during the 2016 AVN Adult Entertainment Expo at the Hard Rock Hotel & Casino on January 20, 2016 in Las Vegas, United States. (Photo by Gabe Ginsberg/FilmMagic)

A man holds his umbrella during snowfall on the Areopagitou pedestrian street beneath the Acropolis hill during snowfall in Athens, Greece, January 10, 2017. (Photo by Alkis Konstantinidis/Reuters)

Indian students smear coloured powder during an event to celebrate the Hindu festival of Holi in Kolkata on February 26, 2018. Holi, the popular Hindu spring festival of colours is observed in India at the end of the winter season on the last full moon of the lunar month, and will be celebrated on March 1 this year. (Photo by Dibyangshu Sarkar/AFP Photo)

Paul, 9, dumps a bucket of water over his head at a fountain near government buildings during hot weather on July 1, 2015 in Berlin, Germany. Temperatures across northern Europe are rising and in Germany a high of 36 degrees is forecast for the weekend. (Photo by Sean Gallup/Getty Images)