![A qanat, or underground water channel, in Shafiabad village near Kerman in Iran. Qanats have been used to supply water in Iran since the 1AD. Iran Stock Photo - Alamy A qanat, or underground water channel, in Shafiabad village near Kerman in Iran. Qanats have been used to supply water in Iran since the 1AD. Iran Stock Photo - Alamy](https://c8.alamy.com/comp/TRHGAB/a-qanat-or-underground-water-channel-in-shafiabad-village-near-kerman-in-iran-qanats-have-been-used-to-supply-water-in-iran-since-the-1ad-iran-TRHGAB.jpg)
A qanat, or underground water channel, in Shafiabad village near Kerman in Iran. Qanats have been used to supply water in Iran since the 1AD. Iran Stock Photo - Alamy
![Qanat water supply systems: a revisit of sustainability perspectives | Environmental Systems Research | Full Text Qanat water supply systems: a revisit of sustainability perspectives | Environmental Systems Research | Full Text](https://media.springernature.com/m685/springer-static/image/art%3A10.1186%2Fs40068-015-0039-9/MediaObjects/40068_2015_39_Fig1_HTML.gif)
Qanat water supply systems: a revisit of sustainability perspectives | Environmental Systems Research | Full Text
![Qanat system: (a) sketch of a qanat transporting water from upland to... | Download Scientific Diagram Qanat system: (a) sketch of a qanat transporting water from upland to... | Download Scientific Diagram](https://www.researchgate.net/publication/345033629/figure/fig1/AS:952435883376640@1604089818607/Qanat-system-a-sketch-of-a-qanat-transporting-water-from-upland-to-lowland-areas-19.png)