In this November 20, 2017 photo, Indian kushti wrestlers fight in the ring, during their daily training at an akhada, a kind of wrestling hostel at Sabzi Mandi, in New Delhi, India. Like many traditions in rapidly modernizing India, kushti wrestling faces the threat of being left behind. But for many poor families, the ancient sport provides a glimmer of hope. (Photo by Dar Yasin/AP Photo)

People take part in a snowball fight in front of the Colosseum covered by snow during a snowfall in Rome, Italy, 26 February 2018. Media reports on 26 February state that extreme cold weather is forecast to hit many parts of Europe with temperatures plummeting to a possible ten year low. (Photo by Angelo Carconi/EPA/EFE)

A hiker walks in the Zillertal Alps during an autumn day near the village of Ginzling, Austria, October 15, 2019. (Photo by Lisi Niesner/Reuters)

Secondary school graduates play in a fountain as they celebrate the last day of school, traditionally called the “last bell” in central Kiev, Ukraine on May 31, 2019. (Photo by Valentyn Ogirenko/Reuters)

Residents look on as flames burn through bush on January 04, 2020 in Lake Tabourie, Australia. A state of emergency has been declared across NSW with dangerous fire conditions forecast for Saturday, as more than 140 bushfires continue to burn. There have been eight confirmed deaths in NSW since Monday 30 December. 1365 homes have been lost, while 3.6 million hectares have been burnt this fire season. (Photo by Brett Hemmings/Getty Images)

In this November 3, 2019, photograph a child with Down syndrome jokingly gestures to the audience while presenting ponchos displaying drawings inspired by children, during a fashion show dubbed “heART Couture” in Bucharest, Romania.Children with Down syndrome staged a fashion show and performed along a ballet ensemble, two milestone events for the inclusion of people with disabilities in Romania's social life, 30 years after the fall of communism following a violent uprising at the end of 1989. (Photo by Vadim Ghirda/AP Photo)

Russian Boxing Federation lifts a portrait of late Soviet leader Joseph Stalin with a hot air balloon, close to city of Belogorsk outside Simferopol, Crimea, on May 11, 2020, to mark the 75th anniversary of the end of World War II also called the Great Patriotic War, amid the coronavirus (COVID) pandemic. (Photo by AFP Photo/Stringer)

A woman holds her inhaler and leans on another person after being sprayed with mace by police officers during a protest near the Minneapolis Police third precinct after a white police officer was caught on a bystander's video pressing his knee into the neck of African-American man George Floyd, who later died at a hospital, in Minneapolis, Minnesota, U.S. May 27, 2020. (Photo by Eric Miller/Reuters)