Shushtar hydraulic system
The hydraulic system of Shushtar is located in the homonymous city (Khuzestān region) and dates back to the period Achaemenid up to the Sassanid one. These ancient structures considered the most important architectural work and the most ingenious traditional and handmade hydraulic system of the world with an exceptional operation, constitute a joint whole of bridges, dams, windmills, waterfalls, canals and enormous tunnels that work together and they were built to direct and make the most of water.
This complex and ingenious system is used to irrigate the agricultural areas and for the consumption of water. One of the most important components of these structures consists of underground and hand-dug channels that perform the function of transmitting water to different parts.
The ancient structures of Band-e Mizān, Kolāh Farhangi, the hand-carved river Gar Gar, Polband-e Gar Gar, the set of waterfalls and water mills, Band-e Borj-e Ayār and the place of worship Sāb 'in, Band-e mohi Bāzān of Shushtar (Band Khodā Āfarin), the castle Salāsel, the Daryun channel, Polband-e Shādorvān, Band-e Khāk, the Lashkar bridge, the Shāh Ali bridge and Band-e Sharābdār, in the 2009 year all together have been listed as "Shushtar's historic plumbing system" on the UNESCO World Heritage List.