This file frame grab from video provided on Sunday, Dec. 25, 2016 by Step News Agency, a Syrian opposition media outlet that is consistent with independent AP reporting, shows smoke rise from the government forces shelling on Wadi Barada, northwest of Damascus, Syria. Opposition activists and Syria’s state TV said on Friday, Jan. 13, 2017 that maintenance workers have arrived in the rebel-held valley near Damascus to fix the water facility there, ending a violent standoff that has dried out the capital for weeks.