Closer to us in time, the Qanât Fir'aun (The Watercourse of the Pharaoh) also known as the aqueduct of Gadara, a city today in far as we know, this 170 km long structure, depending on the geography, combines several bridgeaqueducts (of the same type as the Gard aqueduct in France) and 106 km of underground canals using the Persian qanât technique.
