A fighter of Syrian Democratic Forces stands amidst the ruins of buildings near the Clock Square in Raqqa

A fighter of Syrian Democratic Forces stands amidst the ruins of buildings near the Clock Square in Raqqa

A fighter of the Syrian Democratic Forces stands amid the ruins of buildings in Raqqa, Syria, on October 18, 2017. Photo: Reuters / Erik De Castro

November 17, 2017 1:17 PM (UTC+8)