In this photo taken on Friday, July 14, 2017, a student at a paramilitary camp for children calls the rank to attention outside Kiev, Ukraine. As the deadly conflict in eastern Ukraine entered its third year, some parents in Ukraine are anxious to make sure their children are ready to fight it, instead of swimming and playing volleyball. (Photo by Efrem Lukatsky/AP Photo)

A pilot inflates a hot air balloon while taking part in the 38th International Balloon Festival of Chateau-d'oex, Switzerland, 23 January 2016. The festival takes place from 23 to 31 January. (Photo by Vincent Vannay/EPA)

People look at a man, who residents said was killed by al Qaeda militants, hanging on a bridge in Yemen's southeastern city of Mukalla June 17, 2015. Al Qaeda militants in Yemen killed two alleged Saudi spies, residents said, accusing them of planting tracking devices which enabled the assassination of the group's leader in a suspected U.S. drone strike. (Photo by Reuters/Stringer)

Young Haitian migrants hang out in the Batey La Lima community, an impoverished community surrounded by a massive sugarcane plantation in the coastal city of La Romana, Dominican Republic, Wednesday, November 17, 2021. As the rest of the world closes its doors to Haitian migrants, the country that shares an island with Haiti also is cracking down in a way that human rights activists say hasn’t been seen in decades. (Photo by Matias Delacroix/AP Photo)

Palestinians react as they gather at the site of an explosion, following Israeli strikes in Gaza City on August 5, 2022. (Photo by Mohammed Salem/Reuters)

Carnival revelers perform during the Academicos do Baixo Augustaa carnival “bloco” parade in Sao Paulo, Brazil, Sunday, February 24, 2019. (Photo by Andre Penner/AP Photo)

Revellers take part in the Els Enfarinats festival, in the town of Ibi near Alicante, Spain, Saturday December 28, 2019. For about 200-years the inhabitants of Ibi annually celebrate with a battle using flour, eggs and firecrackers, outside the city town hall. (Photo by Alberto Saiz/AP Photo)

A South Indian dancer puts finishing touches to his make up as he gets ready to performs a traditional dance during a promotion event for Indian tourism in the Kerala state, in Kolkata, Eastern India, 28 January 2020. (Photo by Piyal Adhikary/EPA/EFE)