Qanat

A qanāt (from Arabic: قناة‎, in Persian: کاریز‎ kariz) is a water management system used to provide a reliable supply of water for human settlements and irrigation in hot, arid and semi-arid climates. Qanats are also called kārīz (or kārēz from Persian: كاريز‎) (Iran, Afghanistan, Pakistan and Central Asia, derived from Persian: كاهریز‎), kahan (from Persian: کهن‎), khettara (Morocco); galería (Spain); falaj (United Arab Emirates and Oman); Kahn (Baloch) or foggara/fughara (North Africa). Alternative terms for qanats in Asia and North Africa are kakuriz, chin-avulz, and mayun. Common variants of qanat in English include kanat, khanat, kunut, kona, konait, ghanat, ghundat.