Turkish President Recep Tayyip Erdogan (L, center) meets with U.S. Vice President Mike Pence (R, center) in Ankara, Turkey, on Oct. 17, 2019. The U.S. and Turkey on Thursday reached an agreement on a five-day truce and the establishment of a safe zone in northern Syria, where the Turkish forces had been fighting against the Kurdish militia, following talks between the two sides in the Turkish capital of Ankara. (Photo by Mustafa kaya/Xinhua)