Brief SynthesisThe Shushtar Historical Hydraulic System demonstrates outstanding universal value as in its present form, it dates from the 3rd century CE, probably on older bases from the 5th century BCE. The Shushtar system is a homogeneous hydraulic system, designed globally and completed in the 3rd century CE. The Shushtar Historical Hydraulic System testifies to the heritage and the synthesis of earlier Elamite and Mesopotamian knowhow; it was probably influenced by the Petra dam and tunnel and by Roman civil engineering. The Shushtar Historical Hydraulic System sits in an urban and rural landscape specific to the expression of its value. Criterion (ii): The Shushtar Historical Hydraulic System is a synthesis of diverse techniques brought together to form a remarkably complete and large-scale ensemble.