Participants stretch their bodies as they pose for pictures before the Beijing International Marathon in Beijing, China, September 20, 2015. About 30,000 runners participated in the annual running event. (Photo by Kim Kyung-Hoon/Reuters)

Students of JSS Dutse Alhaji participate in a cultural dance performance during celebrations to commemorate Nigeria's 55th Independence Day in Abuja, Nigeria, October 1, 2015. (Photo by Afolabi Sotunde/Reuters)

Caretaker Khalifa Sajad feeds crocodiles at the Sufi shrine of Hasan-al-Maroof Sultan Manghopir, better known as the Crocodile Shrine, on the outskirts of Karachi, Pakistan October 11, 2015. Pakistani Sheedi pilgrims are once again flocking to the shrine in Karachi that has been shunned for years amid fears of Taliban attacks. (Photo by Akhtar Soomro/Reuters)

A “colacho” (a person dressed up as a devil) chases people during “El salto del Colacho”, the baby jumping festival in the village of Castrillo de Murcia, near Burgos on June 3, 2018. (Photo by Cesar Manso/AFP Photo)

“People of the River”. This is a Karo tribe family; father, mother, two sisters and two brothers. The tribe, who live along the Omo River in east Africa, incorporate rich symbolism into their rituals by using ornate body art, headdresses and body scarification to express beauty and significance. (Photo by Jatenipat Ketpradit/International Portrait Photographer of the Year)

Victory day celebrations in Lambeth London on May 8, 1945 as man dresses up as Hitler in a pub saluting with beer. (Photo by Trinity Mirror/Mirrorpix/Alamy Stock Photo)

Models present creations from the La Perla Autumn/Winter 2017 collection during New York Fashion Week in the Manhattan borough of New York, U.S., February 9, 2017. (Photo by Brendan McDermid/Reuters)

A woman stands in the middle of her fire damaged clothes after a massive fire at a market in Port-au-Prince, Haiti, Monday March 20, 2017. The fire raged at the biggest central market in the center of the Capital. (Photo by Dieu Nalio Chery/AP Photo)