Muguntuul Oyutan, 11, walks to school with her sister and friends in Ulaanbaatar, the capital of Mongolia. Mongolia is the world's most sparsely populated nation, and an increasing proportion of its citizens reside in the capital. Claire Harbage/NPR hide caption
U.S. soldiers direct traffic outside the residence of the Peruvian ambassador to Panama, right rear, in Panama City on Jan. 9, 1990. In December 1989, U.S. President George H.W. Bush sent thousands of troops to Panama to arrest the country's leader, Manuel Noriega. John Gaps/AP hide caption
Davi de Oliveira Moreira, known as "Sereio" (merman in Portuguese), poses in costume at Arpoador Rock on Ipanema Beach in Rio de Janeiro last May. Yasuyoshi Chiba/AFP/Getty Images hide caption
Protesters demonstrate in Tehran on June 25. Iranian Labor News Agency via AP hide caption
Juan Carlos Cruz, a survivor of sexual abuse by a Chilean predator priest, met with Pope Francis recently at the Vatican. Andres Kudacki/AP hide caption
Colorado Republican Sen. Cory Gardner, left, and Arizona Republican Sen. Jeff Flake confer as the Senate Foreign Relations Subcommittee on the Western Hemisphere examines attacks on American diplomats in Havana, on Capitol Hill in Washington, Tuesday. J. Scott Applewhite/AP hide caption