Rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

africa african african algeria algerian area areas conservation countryside day daylight daytime desert deserts desertscape desertscapes dune dunes during exterior exteriors formation formations geologic geological geologically geology heritage in landscape landscapes mark marking markings marks moul naga najjer national national natural nature nobody north of outdoor park park parks pattern patterned patterning patternings patterns photo photos preserve preserves region regions reserve reserves rock rock rocks rocky sahara sanctuaries sanctuary sand sand dune sand dunes sanddune sanddunes sandy scenery scenic shape shaped shapes shot shots site sites stone structure structures structuring surface surfaces tadrart tassili texture textured textures the unesco unesco wildlife world