https://itto.org/iran/photo/shushtar-sika-historical-hydraulic-system-khuzestan/
PHOTO: Shushtar Historical Hydraulic System - Khuzestan Province (Elahe Abed) - Iran Travel and...
According to various historical texts, the entire Shushtar hydraulic complex was built in as little as three to seven years.
hydraulic systemkhuzestan provincephotoshushtarhistorical