🇮🇷 Iran · Hydraulic works
Qanat of Zarch, Yazd
Achaemenid to present ~700 BCE–present · Persian (Median/Achaemenid onward)
71 km 2,115-shaft Zarch qanat - world's longest - still feeding Yazd after 3,000 years.
🇮🇷 Iran · Hydraulic works
Qanat of Hasan Abad-e Moshir — Yazd Desert Water
Timurid to Safavid–Qajar (14th–19th c.), Sasanid precursor mythic · Yazdi Persian (Imam Reza pilgrimage route water, Zoroastrian Yazd water wisdom)
Yazd 45-km 70-m mother well qanat 150 L/s since Safavid, feeding Mehriz 800 ha pistachio under Shirkuh, UNESCO 550.
🇮🇷 Iran · Hydraulic works
Qanat-e Zarch – Longest Qanat in Iran
Achaemenid to present (2,500 years continuous) · Persian qanat engineers (Achaemenid, Sassanian, Safavid)
71-km Zarch qanat—longest gravity aquifer tunnel on Earth (500 BCE–Safavid).
🇮🇷 Iran · Hydraulic works
Qanat-e Zarch West Branch (Yazd Zarch Qanat Western Gallery)
Ilkhanid branch on Achaemenid–Sasanian trunk · Ilkhanid Yazd (branch) on Persian qanat tradition
Qanat-e Zarch west: 11.2-km Ilkhanid branch of world's longest 71-km Yazd qanat, UNESCO 1476.