A baker works in an ancient bakery in the old city of Aleppo, north Syria, on May 6, 2018. This bakery produces various types of cookies and bagels, the most famous of which is sesame seed breadsticks, known as Kaak al-Sakhaneh in Arabic. They were the most favorite food for the travelers and merchants on the ancient Silk Road. (Xinhua/Hummam Sheikh Ali)