Demonstrators, dressed as detainees, march on Jan. 11 against the U.S. military detention facility in Guantanamo Bay, Cuba, and call for President Obama to close the facility. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

People gather Friday outside a hospital in eastern Algeria as they try to get information on those wounded during a military raid on a gas plant where Islamic extremists were holding hostages. Anis Belghoul/AP hide caption

itoggle caption Anis Belghoul/AP

President Obama and Afghan President Hamid Karzai greet each other during a May 20 meeting at the NATO Summit in Chicago. Karzai is in Washington, D.C., this week to meet Obama and other senior U.S. officials. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

The graves were apparently opened and reopened multiple times, serving more than one generation. Courtesy of ACT Project hide caption

itoggle caption Courtesy of ACT Project

A bullet went through 13-year-old Shazia Ramazan's hand when a Taliban gunman opened fire on Malala Yousafzai and other schoolgirls in a van in Pakistan last month. Anja Niedringhaus/AP hide caption

itoggle caption Anja Niedringhaus/AP

Pakistan's Interior Minister Rehman Malik (right) meets with Salahuddin Rabbani, head of the Afghan High Peace Council, in Islamabad last week. Pakistan freed at least nine Taliban prisoners at the request of the Afghan government, in a move meant to help jump-start a shaky peace process with the militant group in neighboring Afghanistan, officials said. AP/Press Information Department hide caption

itoggle caption AP/Press Information Department

Students demand the reopening of the Farooqi Girls High School in Lahore, Pakistan, in early November. A mob attacked the school in October, accusing a teacher of insulting the Prophet Muhammad. It takes just one accusation to lead to an arrest under Pakistan's stringent blasphemy laws. Arif Ali/AFP/Getty Images hide caption

itoggle caption Arif Ali/AFP/Getty Images

Children in a Lahore slum after heavy rains. The slum has a large population of Pashtuns who came from Pakistan's lawless tribal regions; many carry the polio virus with them. Jackie Northam/NPR hide caption

itoggle caption Jackie Northam/NPR