Gerry Ellis / Milkbush (Euphorbia damarana) in sandstone desert, Huab River Valley, Damaraland, Namibia

Piotr Naskrecki / Arid landscape in Namib Desert, Namibia

Ingo Arndt / Welwitschia (Welwitschia mirabilis) plant growing in arid landscape, Namib-Naukluft National Park, Namibia

Gerry Ellis / Welwitschia (Welwitschia mirabilis) single plant in desert, Damaraland, Namibia

Jim Brandenburg / Gemsbok (Oryx gazella) skull on dune, Namib Desert, Namibia

Gerry Ellis / Welwitschia (Welwitschia mirabilis) growing in arid desert, Damaraland, Namibia

Pete Oxford / Phantom Tree (Moringa ovalifolia) and desert storm, Namib-Naukluft National Park, Namibia

Gerry Ellis / Quiver Tree (Aloe dichotoma) growing on rocky ledge, Namib-Naukluft National Park, Namibia

Gerry Ellis / Quiver Tree (Aloe dichotoma) at dawn, Namib-Naukluft National Park, Namibia

Gerry Ellis / Anchieta's Desert Lizard (Meroles anchietae) on slip face of sand dune, Namib-Naukluft National Park, Namib Desert, Namibia