Photo taken on Sept.18, 2019 shows a view of the Iranian pavilion at the Rebuild Syria Fair in Damascus, capital of Syria. Iran, Syria's key ally, is the most noticeable participant in the ongoing Rebuild Syria Fair with over 80 Iranian companies and factories taking part in the fair, most of which agree that the Syrian market is a promising one for investments. (Photo by Ammar Safarjalani/Xinhua)