Ukrainian Air Force officers attend a graduation ceremony at the National University of Defence of Ukraine in Kiev, April 24, 2015. (Photo by Gleb Garanich/Reuters)
A participant smiles at the annual Christopher Street Day parade on Kurfuerstendamm in Berlin, Germany, June 27, 2015. (Photo by Fabrizio Bensch/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
Cuban girls dressed as nurses and a lizard wait for their turn to dance during a visit by the Gay Men's Chorus of Washington in Havana July 13, 2015. The choir made its first appearance on July 12, 2015 in Cuba as part of a tour that will include a dozen concerts in the context of the restoration of relations between the island and the United States. (Photo by Enrique de la Osa/Reuters)