I love Ancient monuments


Especially Shushtar Historical Hydrolic System


Hydrolic system

The Shushtar Historical Hydraulic System is a homogeneous hydraulic system, designed globally and completed in the 3rd century CE.
This System is a complex irrigation system of the island city Shushtar from the Sassanid era. It consists of 13 dams, bridges, canals and structures which work together as a hydraulic system. Located in Iran's Khuzestan Province.

Learn more on Wikipedia.