🇴🇲 Oman · Hydraulic works
Aflaj System of Rustaq and Batinah Piedmont (Rustaq–Suwaiq Lines)
Sassanian to Ya'rubi (500–1650 continuous) · Rustaq Batinah tribe communities
Batinah piedmont aflaj swarm: 18 lines (1.2-8 km) feeding Rustaq fortress oasis on Hajar bajada.