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Oman_902_26, Water from the Rock, Wadi Bani Kharus, Oman.jpg
Wadi Bani Kharus, Oman, Arabian Peninsula, Middle East - Water from the Rock.  An Omani refreshes himself with cool water issuing from a cleft in the rock in the narrow mountain valley of Wadi Bani Kharus.  Water from such springs flows by gravity through a series of canals and channels, called aflaj (singular, falaj), to terraced gardens farther down the mountain valley.