AP Photo
FILE - In this Sunday, May 14, 2017 file photo, a displaced family stands behind the razor-wire that surrounds the United Nations' protected camp in Wau, South Sudan. Nearly four years after the United Nations threw open its doors to civilians fleeing South Sudan's civil war, more than 200,000 people still shelter in the often squalid camps but now the government is trying to entice them to go home, even as fighting rages on. (AP Photo, File)