A reveler jumps over a bonfire during the night of San Juan in Alcobendas near Madrid, Spain, Wednesday, June 24, 2015. The San Juan night coincides with the Summer solstice and it's the welcome to Summer. This celebration takes place during the shortest night of the year in almost all cities and towns of Spain. (Photo by Andres Kudacki/AP Photo)

Bollywood actress Sonam Kapoor arrives for the Giorgio Armani women's 2019 Spring-Summer collection during the Milan Fashion Week, in Milan, Italy, 23 September 2018. The Spring Summer 2019 Women's collections are presented at the Milano Moda Donna from 19 to 24 September. (Photo by Matteo Bazzi/EPA/EFE)

A woman dressed in pagan attire watches the sun rise during the Summer Solstice festivities at Stonehenge in Wiltshire, England, Tuesday, June 21, 2022. After two years of closure due to the COVID-19 pandemic, Stonehenge reopened Monday for the Summer Solstice celebrations. (Photo by Andrew Matthews/PA Wire via AP Photo)

Paris Fashion Week, Spring/Summer 2014 Haute Couture collection by Charlie Le Mindu. (Photo by Yoan Valat/EPA)

General view of the Jacquemus Menswear Spring Summer 2020 show on June 24, 2019 in Valensole, France. (Photo by WWD/Rex Features/Shutterstock)

A woman in yukata, casual summer kimono, poses for a photo at Fushimi Inari Taisha in Kyoto, Japan on October 2, 2019. (Photo by Matthew Childs/Reuters)

A Palestinian boy takes part in a military-style summer camp being held by the Islamic Jihad movement during the youngsters' summer school vacation in Khan Younes town, in the southern Gaza Strip, 13 July 2016. Thousands of youngsters between the age of six and 16 can participate in the summer camp where they receive military as well as religious training. (Photo by Hatem Omar/EPA)

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)