🇹🇷 Turkey · Hydraulic works
Valens Aqueduct (Bozdoğan Kemeri) — Istanbul
Late Roman to Ottoman (4th–19th c. CE) · East Roman (Byzantine) Constantinople
Valens 971-m double-tier bridge head of 426-km Thracian late Roman water network 373 CE.
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CategoriesAqueducts
Channels and arcades that carried water to a city across whatever lay between.
🇹🇷 Turkey · Hydraulic works
Late Roman to Ottoman (4th–19th c. CE) · East Roman (Byzantine) Constantinople
Valens 971-m double-tier bridge head of 426-km Thracian late Roman water network 373 CE.
🇵🇪 Peru · Hydraulic works
Andean Formative (Early Horizon) · Cajamarca (Cumbemayo culture) pre-Chavín
Andean 9-km zigzag rock-cut canal 1500 BCE with zigzag flow-slowing and Frailones hoodoos.
🇯🇴 Jordan · Hydraulic works
Roman Imperial (1st–3rd c. CE) · Decapolis Greco-Roman city league (Gadara, Adraa, Abila)
Hadrianic 170-km 94%-underground qanat from Daraa to Gadara, longest tunnel aqueduct antiquity.
🇮🇳 India · Hydraulic works
Medieval Indian (Vijayanagara Empire) · Vijayanagara Hindu imperial (Telugu–Kannada)
Vijayanagara 5-km aqueduct with 19 tanks and stepped pushkarani feeding 500k city 14th–16th c.
🇮🇷 Iran · Hydraulic works
Achaemenid to present (520 BCE–ongoing) · Achaemenid Gonabad oasis (Khorasan piedmont)
South Gonabad gallery 4.1 km with 62 shafts 42 m mother well: Achaemenid 520 BCE saruj, 12 L/s to Ghasemabad saffron.
🇮🇷 Iran · Hydraulic works
Achaemenid core 500 BCE to Sasanian 450 CE (extension) to present · Yazdi Zarch piedmont oasis (Kavir piedmont)
North Zarch extension 8.2 km with 88 shafts mother 34 m, 6 badgir towers 18 L/s: Sasanian 450 CE graft onto 500 BCE core.