A man sweeps the floor at a warehouse where food aid packages are kept for displaced people following Boko Haram attacks in Borno State, northeast Nigeria, on February 16, 2017. Humanitarian groups are trying to bring aid to some 57,000 people forced out of their homes by Boko Haram Islamists, whose insurgency has devastated the remote region since 2009. / AFP / FLORIAN PLAUCHEUR (Photo credit should read FLORIAN PLAUCHEUR/AFP/Getty Images)
