Stock photography, photos: Couple walking on dune ridge Stock photos of Couple walking along sand dune ridge, Sossusvlei, Namib Desert, Namibia Photograph: © Scott Robertson Click for a larger image and more information Keywords associated with this stock photo: Africa, Arid, Couple, Desert, Deserts, Dry, Dunes, Environment, Heat, Hot, Man, Men, Namib Desert, Namibia, Nature, People, Relationships, Sand Dune, Sossusvlei, Woman, Women