sentences:  Pistachio is called in Syria "fustuq Ḥalabī" (Aleppo pistachio).Agriculture was traditionally supported by rivers; the main rivers in Aleppo are the Quwēq, ʻIfrīn, Sājūr, Dhahab, Aswad, and Euphrates.However, all of these rivers arise in Turkey, and due to irrigation projects on the Turkish side of the border the flow of these rivers dropped so much that most of them could no longer support agriculture.