Refugee children play with a stuffed toy at a muddy makeshift camp at the Greek-Macedonian border, near the village of Idomeni, Greece March 15, 2016. (Photo by Alexandros Avramidis/Reuters)
A girl sits on railway tracks at a makeshift camp for refugees and migrants at the Greek-Macedonian border near the village of Idomeni, Greece, March 19, 2016. (Photo by Alkis Konstantinidis/Reuters)
Palestinian children warm themselves by a fire on a stormy day at Shati (beach) refugee camp in Gaza City January 18, 2016. (Photo by Mohammed Salem/Reuters)
A horse rolls in mud in the Romani camp in Velykyi Bereznyi urban-type settlement, Zakarpattia Region, western Ukraine on February 28, 2021. (Photo by Ukrinform/Rex Features/Shutterstock)
Palestinians evacuate wounded people following an Israeli airstrike in Bureij refugee camp, Gaza Strip, Thursday, November 2, 2023. (Photo by Mohammed Dahman/AP Photo)
A child looks at a polar bear swimming under a water in its enclosure on a hot summer day at Prague Zoo, Czech Republic, July 30, 2015. (Photo by David W. Cerny/Reuters)
A child stands inside a large soap bubble made by a street artist at the Mayor square in central Madrid, Friday, December 9, 2016. (Photo by Francisco Seco/AP Photo)