TOPSHOT - Syrian youths watch from the upper floor of a damaged building as protesters chant slogans and wave flags of the opposition during a demonstration against the Syrian government in Binnish in the rebel-held northern Idlib province late on September 17, 2018. - Russian President Vladimir Putin and his Turkish counterpart Recep Tayyip Erdogan -- who are on the opposite sides of the seven-year conflict in Syria -- agreed on September 17 that there would be no assault on the country's last rebel-held stronghold of Idlib as the two agreed to create a 15-20 kilometre-wide demilitarised zone along the line of contact between rebels and regime troops by October 15. (Photo by OMAR HAJ KADOUR / AFP)