Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes and mist, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes, and star trails, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes and the milky way behind, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) at night with red dunes behind. Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Hougaard Malan / Camelthorn tree in mountain valley at sunset. Namib Naukluft National Park, Namibia. February 2011.

Hougaard Malan / Typical landscape of red dunes, grass and camelthorn trees. Namib Rand, Namibia. May 2010.

Hougaard Malan / Sunrise through the branches of a camelthorn tree. Namib Rand, Namibia. May 2010.

Hougaard Malan / Camelthorn tree at sunrise with mountain beyond. Namib Rand, Namibia. May 2010.

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Namib-Naukluft National Park, Namibia

Jouan & Rius / Shadow of a Camelthorn tree (Acacia erioloba) in Tsauchab valley, Namib Naukluft NP, Namib desert, Namibia

Jen Guyton / Sunset over the Camelthorn trees (Vachellia erioloba) in the Kalahari Desert, South Africa.

Jen Guyton / Sunset over the Camelthorn trees (Vachellia erioloba) in the Kalahari Desert, South Africa.

Emanuele Biggi / Deadvlei with dead Camel thorn tree (Vachellia erioloba) trees Namib-Naukluft National Park, Namib Desert, Namibia

Emanuele Biggi / Dead Camelthorn trees (Vachellia erioloba) on sand, Deadvlei, Sossusvlei, Naukluft National Park, Namib Desert, Namibia, June.

Ernie Janes / Deadvlei with dead Camel thorn trees, Namib-Naukluft National Park, Namib Desert, Namibia

Ernie Janes / Deadvlei with dead Camel thorn trees (Vachellia erioloba), Namib-Naukluft National Park, Namib Desert, Namibia

Adrian Davies / Ancient dead Camelthorn trees (Vachellia erioloba) and dry river bed, Sossusvlei, Namib Desert, Namibia

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Juan Carlos Munoz / Dead Camel thorn trees (Vachellia / Acacia erioloba) with distant sand dunes, Deadvlei, Namib-Naukluft National Park, Namibia, Africa, June 2015.

Juan Carlos Munoz / Dead Camel thorn trees (Vachellia / Acacia erioloba) with distant sand dunes, Deadvlei, Namib-Naukluft National Park, Namibia, Africa, June 2015.

Hougaard Malan / Lone camelthorn tree silhouetted against setting sun in valley. Namib Rand, Namibia. April 2011. Non-ex.

Hougaard Malan / Camelthorn trees in grassy valley at sunset. Namib Naukluft National Park, Namibia. February 2011. Non-ex.

Hougaard Malan / Camelthorn tree silhouetted against sunset. Namib Naukluft National Park, Namibia. February 2011. Non-ex.

Hougaard Malan / Camelthorn tree below a bright milkyway. Namib Rand, Namibia. May 2010. Non-ex.

Hougaard Malan / Camelthorn tree in mountainous valley. Namib Rand, Namibia. May 2010. Non-ex.

Hougaard Malan / Dune valley dotted with camelthorn trees under a clear blue sky. Namib Rand, Namibia. May 2010. Non-ex.

Hougaard Malan / Dune valley dotted with camelthorn trees under a clear blue sky. Namib Rand, Namibia. May 2010. Non-ex.

Hougaard Malan / Lone camelthorn at sunrise. Namib Rand, Namibia. May 2010. Non-ex.

Hougaard Malan / Old camelthorn tree in dry grass field. Namib rand, Namibia. May 2010. Non-ex.

Hougaard Malan / Camelthorn tree below Sossusvlei's massive red dunes. Sossusvlei, Namib Naukluft National Park, Namibia. April 2014. Non-ex.

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead trees with dunes in background, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead trees with dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead trees with dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead trees with dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Michael & Patricia Fogden / Camelthorn Acacia (Acacia erioloba) trees among sand dunes at Sossus Vlei, Namib-Naukluft National Park, Namibia

Philippe Clement / Giraffe (Giraffa camelopardalis) standing in the shade of a Grey Camelthorn tree (Acacia haematoxylon) Kalahari desert, Kgalagadi Transfrontier Park, South Africa

Philippe Clement / Giraffe (Giraffa camelopardalis) resting in the shade of a Camelthorn tree (Acacia haematoxylon)Kalahari desert, Kgalagadi Transfrontier Park, South Africa

Martin Gabriel / Dawn light with camelthorn trees still in the shade. Namib Naukluft, Namibia {Acacia

Gerry Ellis / Camelthorn (Alhagi maurorum) in sand dune of dead veil near Sossusvlei, Namib-Naukluft National Park, Namibia

Gerry Ellis / Camelthorn (Alhagi maurorum) snag on desert pan, Namib-Naukluft National Park, Namibia

Gerry Ellis / Camelthorn (Alhagi maurorum) trees and calcite between dunes at Dead Veil, Namib-Naukluft National Park, Namibia

Philippe Clement / Camelthorn tree in dry riverbed of the Nossob river Kalahari desert South Africa

Pete Oxford / Camelthorn acacia with seed pods {Vachellia erioloba} Kgalagadi Transfrontier Park, South Africa

Pete Oxford / Camelthorn acacia leaves and thorns {Vachellia erioloba} Kgalagadi Transfrontier Park,

Richard Du Toit / Little devil flowers (Tribulus terrestris) and acacia Grey camelthorn trees, S Africa Kalahari Gemsbok NP in summer.

Hiroya Minakuchi / Camelthorn Acacia (Acacia erioloba) dead trees with sand dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Hiroya Minakuchi / Camelthorn Acacia (Acacia erioloba) dead trees with sand dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Hiroya Minakuchi / Camelthorn Acacia (Acacia erioloba) dead trees with sand dunes in background, Dead Vlei, Namib-Naukluft National Park, Namibia

Martin Willis / Camelthorn Acacia (Acacia erioloba) dead trees in desert, Sossusvlei Dunes, Namib-Naukluft National Park, Namibia

Martin Willis / Camelthorn Acacia (Acacia erioloba) dead trees in desert, Sossusvlei Dunes, Namib-Naukluft National Park, Namibia

Michael & Patricia Fogden / Camelthorn Acacia (Acacia erioloba) trees among sand dunes at Sossus Vlei, Namib-Naukluft National Park, Namibia

Ingo Arndt / Camelthorn (Alhagi maurorum) trees and calcite at Dead Veil, Namib-Naukluft National Park, Namib Desert, Namibia

Eric Baccega / Ancient dead Camelthorn trees (Vachellia erioloba), Deadvlei Pan, Sossusvlei UNESCO World Heritage Site, Namib Naukluft National Park, Namibia.

Ernie Janes / Dead Camel thorn trees (Vachellia erioloba), Sossusvlei region, Namib desert, Namibia, March

Ernie Janes / Dead Camel thorn trees (Vachellia erioloba), Sossusvlei region, Namib desert, Namibia, March

Ernie Janes / Dead Camel thorn trees (Vachellia erioloba), Sossusvlei region, Namib desert, Namibia, March

Ernie Janes / Dead Camel thorn trees (Vachellia erioloba), Sossusvlei region, Namib desert, Namibia, March

Ernie Janes / Dead Camel thorn trees (Vachellia erioloba), Sossusvlei region, Namib desert, Namibia, March

David Allemand / Deadvlei with dead Camel thorn trees (Vachellia erioloba), Namib-Naukluft National Park, Namib Desert, Namibia

David Allemand / Deadvlei with dead Camel thorn trees (Vachellia erioloba), Namib-Naukluft National Park, Namib Desert, Namibia

David Allemand / Deadvlei with dead Camel thorn trees (Vachellia erioloba), Namib-Naukluft National Park, Namib Desert, Namibia

David Allemand / Deadvlei with dead Camel thorn trees (Vachellia erioloba), Namib-Naukluft National Park, Namib Desert, Namibia

Emanuele Biggi / Camel thorn trees (Vachellia erioloba) growing in the rocky plains at the base of giant red dunes around Sossusvlei, Namibia

Emanuele Biggi / Dead Camel thorn trees (Vachellia erioloba) in the long-tern dry riverbed of Deadvlei, an iconic view of Namib desert, Namibia

Emanuele Biggi / Dead Camel thorn trees (Vachellia erioloba) in the long-time dry riverbed of Deadvlei, an iconic view of Namib desert, Namibia

Emanuele Biggi / Camel thorn trees (Vachellia erioloba) growing in the rocky plains at the base of giant red dunes, Sossusvlei, Namibia

Emanuele Biggi / Camel thorn trees (Vachellia erioloba) growing in the rocky plains at the base of giant red dunes around Sossusvlei, Namibia