oasis in the sahara desert at sunset

africa arabia arid awbari background beautiful blue clear color dates desert dry dune erg fezzan flora flow grand green grove haya hill idhan idyllic lake landscape libya libyan lush maa mandara nature oasis oman outdoors outside palm panorama panoramic paradise plant plants pond pool reflection river rocks safari sahara sand sea sky spring stone summer sunny tour tourism travel tree trees trek trip tropical ubari umm vacation wadi walk water wet