sunset windy view to tin merzouga dune at tassili najjer national park in algeria

algeria algerie africa desert sahara djanet illizi tassili unesco heritage najjer ajjer tadrart acacus akakus erg tin merzouga national park sand sea dune wind windy nature pattern background sunset dusk landscape heat dry stone sunny scenery geology arid sky orange outdoor shadow panorama panoramic hill barkhan noires mountain colorful scenic