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Children walk down the street of Chibok in Borno State northeast Nigeria on March 25, 2016.
On April 14, 2014, Boko Haram militants kidnapped 276 schoolgirls from their dormitories at the Government Girls Secondary School Chibok, drawing global attention to the Islamist insurgency in northeast Nigeria. / AFP / STEFAN HEUNIS (Photo credit should read STEFAN HEUNIS/AFP/Getty Images)