Irrigation canal, Falaj irrigation system (Falaj Al-Khatmeen), UNESCO, palm grove, Birkat Al Mouz, Al Dakhliya region, Jebel Akhdar foothills, Oman

irrigation canal unesco palm grove omani landscape sustainable agriculture traditional farming cultural heritage oasis water management history local culture techniques environmental preservation natural community trees desert historical site rural life oman tourism ancient architectural design conservation beauty channels practices diversity system lush greenery supply methods ecological balance significance living biodiversity