Children play football in front of an abandoned train compartment next to a railway track in Dhaka, in this May 29, 2014 file photo. (Photo by Andrew Biraj/Reuters)
Refugees disembark and make their way to a camp at a hotel touted as the world's most northerly ski resort in Riksgransen, Sweden, December 15, 2015. (Photo by Ints Kalnins/Reuters)
Cuban crocodiles (Crocodylus rhombifer), are seen in a hatchery at Zapata Swamp National Park, June 4, 2015. Ten baby crocodiles have been delivered to a Cuban hatchery in hopes of strengthening the species and extending the bloodlines of a pair of Cuban crocodiles that former President Fidel Castro had given to a Soviet cosmonaut as a gift in the 1970s. Picture taken June 4, 2015. REUTERS/Alexandre Meneghini
In this Thursday, June 14, 2018, file photo, students wear virtual reality goggles during a science class at Pyongyang Teachers' University, a teacher training college, in Pyongyang, North Korea. (Photo by Dita Alangkara/AP Photo)
This unidentified teenager found Elvis Presley “too much” when he appeared at the Philadelphia Arena in Philadelphia, Pa., on April 6, 1957. (Photo by Bill Ingraham/AP Photo)
An Afghan boy looks through the scope of a toy gun, as other children ride on swings during the first day of the Muslim holiday of Eid al-Fitr, which marks the end of the holy month of Ramadan, in Kabul, Afghanistan June 25, 2017. (Photo by Omar Sobhani/Reuters)