Some health workers in Liberia had stopped using the protective gear that was part of the Ebola routine. The photo above is from 2014, when the epidemic was at its peak. David P. Gilkey/NPR hide caption

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Police officers take positions as they arrive at scene of a bus explosion in the center of Tunis, the capital city of Tunisia, Tuesday. Hassene Dridi/AP hide caption

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A photo shows a scorched hotel room in the Radisson Blu in Bamako, Mali, Saturday, one day after a deadly jihadist siege at the luxury hotel. Habibou Kouyate/AFP/Getty Images hide caption

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This 11-year-old boy lives with his family in a Roma settlement in Belgrade. "He and his brothers and sisters are without documents, but he had this amazing confidence," Constantine says. Greg Constantine hide caption

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