🇸🇦 Saudi Arabia · Hydraulic works
Wadi Hanifah Dams (Diriyah Dam System)
Najdi Emirate to First Saudi State · Najdi oasis (Diriyah Amirship)
Wadi Hanifah: 6 Najdi 15th-18th c. wadi dams at Diriyah UNESCO site, Riyadh 24.73N 46.57E.
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🇸🇦 Saudi Arabia · Hydraulic works
Najdi Emirate to First Saudi State · Najdi oasis (Diriyah Amirship)
Wadi Hanifah: 6 Najdi 15th-18th c. wadi dams at Diriyah UNESCO site, Riyadh 24.73N 46.57E.