Footprints on sand dunes near Swakopmund, Dorob National Park, Namibia, Africa

travel destination photography vertical footprint sand dune swakopmund dorob national park africa outdoors landscape scenics physical geography topography barren arid sand day national park extreme terrain absence journey shadow rippled pattern rolling landscape non urban scene nature colour image colour color image color outside travel destinations travel nobody no one no one scenery scenic scene scenes the natural world landscapes africa african namibia namibian