Sahara Desert And Sandstone Cliffs At Dawn In Tassili N'Ajjer National Park, Illizi, Algeria

sahara desert sandstone cliff dawn tassili najjer park illizi algeria djanet aerial african arid mountain attraction drone daylight day natural summer valley environment canyon outdoor landmark sand dune nature landscape morning desolate drought national tassili dry travel destination tourism africa sunrise scenery geology plateau daybreak dryness empty formation wilderness stone