Competitors take part in the Christmas Really Wild Mud Run on a 4.6 miles course across undulating farm land at Celtic Camping, St David's, Pembrokeshire, Wales, December 12, 2015. (Photo by Rebecca Naden/Reuters)

Public Space series, 2015. This series by Morteza Niknahad and Behnam Zakeri tends toward cinema, taking an almost cartoonish view of modern life in Iran. This work was inspired by the social life of dolphins. (Photo by Morteza Niknahad and Behnam Zakeri/The Guardian)

A couple takes a selfie as Hoa Binh hydroelectric power plant opens the flood gates after a heavy rainfall caused by Talas typhoon in Hoa Binh province, outside Hanoi, Vietnam July 20, 2017. (Photo by Reuters/Kham)

Festival-goers take a bath in a mud pool during the 20th Boryeong Mud Festival on Daecheon beach in Boryeong City, some 190 kilometers west of Seoul, South Korea, 22 July 2017. Tourists flock to the area to experience the beneficial properties of the Boryeong mud, as well as for a variety of entertainment events. The festival runs from 21 until 30 July. (Photo by Jeon Heon-Kyun/EPA/EFE)

A Muslim dervish sings a traditional Sufi song near a rally for the Mawlid al-Nabi holiday, marking the birthday of Islam's prophet, Muhammad, in Lahore, Pakistan, Sunday, November 10, 2019. To mark the holiday, thousands take part in religious processions, ceremonies and distribute free meals to the poor. (Photo by K.M. Chaudary/AP Photo)

A college girl takes part in the Holi festival celebrations in Bhopal, India, 19 March 2019. Holi is celebrated on the full moon day and marks the beginning of the spring season. Holi will be celebrated as the Hindu spring festival of colors across the country on 21 March. (Photo by Sanjeev Gupta/EPA/EFE)

An exotic dancer wears personal protective equipment while taking a tip in a drive-through go-go dance tent offered by the Lucky Devil Lounge strip club in the wake of the coronavirus disease (COVID-19) restrictions in Portland, Oregon, U.S. April 24, 2020. (Photo by Terray Sylvester/Reuters)

Mare Sorie, left, and her friend Tsehaynesh Golja, right, take a rest as they carry bundles of firewood from the forest around Entoto mountain near Addis Ababa, Ethiopia Friday, July 17, 2020. (Photo by Mulugeta Ayene/AP Photo)