oman's "grand canyon " wadi nakhr in the jabal shams mountains of

nakhr oman valley grand wadi canyon rock travel dry landscape jebel nature nobody outback middle gray hills plateau mountain rough wilderness white tree view sunlight stone wady scenic gorge sky road outdoors geology cloud arabia amazing adventure desert black expedition dusty east empty explore shams plant bush jabal street deep omans mountains northern there balcony trail footpath leads abandoned village half way down cliff end