A woman wears a flower crown during a Summer Solstice celebration on June 21, 2021 in Krakow, Poland. The summer solstice represents the longest day of the year, with the most hours of sunlight, and is celebrated by various cultures worldwide. (Photo by Omar Marques/Getty Images)

The photographs feature fish that have been specially treated to make the stained skeletal tissues visible through the skin and flesh. The technique, developed by Dr. Adam Summers, uses dyes, hydrogen peroxide, a digestive enzyme and glycerin to make the flesh seem to disappear. Photo: This image of the butterfly ray (Gymnura crebripunctata) helped scientists study the joints in its wings. (Photo by Adam Summers)

American socialite Kylie Jenner shows off her summer bikini style with friends in the second decade of June 2024. (Photo by kyliejenner/Instagram)

American model, actress, and media personality Olivia Culpo in the first decade of September 2024 says goodbye to summer. (Photo by oliviaculpo/Instagram)

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)

English-Albanian singer and songwriter Dua Lipa shows off her end-of-summer body in the last decade of August 2023. (Photo by dualipa/Instagram)