Red sanddune at Tin Merzouga, Acacus Mountains or Tadrart Acacus range, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

acacus africa african african algeria algerian area areas aridity at barren barrenness conservation countryside day daylight daytime desert deserts desertscape desertscapes dried drought droughts dry dryness dune dunes during exterior exteriors heritage landscape landscapes look look out look outs lookout lookouts meager meagre merzouga mountains najjer national national natural nature nobody north or out outdoor outs park park parks photo photos preserve preserves range red red reddish region regions reserve reserves ridge ridges sahara sanctuaries sanctuary sand sand dune sand dunes sanddune sanddunes sandy scenery scenic shadow shadows shot shots site starkness tadrart tassili the tin unesco view views wildlife world