🇮🇷 Iran · Hydraulic works
Shushtar Hydraulic System
Achaemenid foundation to Sassanian peak (5th century BCE – 3rd century CE) · Achaemenid, Sassanid Persian (with Roman engineering)
Sassanid re-engineering of the Karun River where the Band-e Kaisar (Caesar's Dam) — said built by Roman soldiers captured with Emperor Valerian — diverted the river into the Gargar canal feeding 40…