Baka pygmies in their forest home preparing food in, Sangha Forest, Central African Republic, February 2016. Here, in their forest home, traditional life continues in the face of multiplying challenges ranging from poachers, to ill health. Deep in the rainforests of central Africa lives one of the world’s most mysterious tribes. (Photo by Susan Schulman/Barcroft Images)

A reveller holds her dog dressed in costume, during the Rio Dog Carnival, known as the Blocao – with “bloco” meaning street party and “cao” dog, during pre- carnival celebrations at Copacabana beach in Rio de Janeiro, Brazil, on February 19, 2017. (Photo by Yasuyoshi Chiba/AFP Photo)

A couple participates in the “Running of the Brides” race in a park in Bangkok, Thailand on March 25, 2017. (Photo by Athit Perawongmetha/Reuters)

Internally displaced Syrians who fled Raqqa tie ropes for their tents in a camp in Manbij, Syria on April 6, 2017. (Photo by Rodi Said/Reuters)

A Chinese rescuer evacuates a young boy from flooded areas caused by heavy rains in Changsha city, central China's Hunan provincehangsha, capital of Hunan on July 3, 2017. (Photo by Imaginechina/Rex Features/Shutterstock)

In this Tuesday, January 22, 2019 photo, the wife of Saghir Khan,Anisa Khan, holds their daughter, Alfisa, at the family's house in Mirzapur. Saghir was beaten by a group of Hindus after being spotted transporting cows. (Photo by Bernat Armangue/AP Photo)

Festivalgoers watch two actors of the Wasteland Warriors movement fight in a cage at the world's largest heavy metal festival, the Wacken Open Air 2019, in Wacken, Germany on August 3, 2019. Wacken is a village in northern Germany with a population of 1,800 that has hosted the annual festival, which attracts heavy metal fans from around the world, since 1990. (Photo by Wolfgang Rattay/Reuters)

Enthusiast dressed as zombies take part in the Zombie Walk event on September 14, 2019 in the eastern French city of Strasbourg, within the framework of the 12th edition of the European Fantastic Film festival, which runs from September 14 to 22. (Photo by Frederick Florin/AFP Photo)