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.

Jose B. Ruiz / Camelthorn tree in Namib desert {Vachellia erioloba} Sossus Vlei, 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 / Camel thorn tree (Acacia erioloba) half dead and close to dune, Sossusvlei area, Namib-Naukluft National Park, Namib Desert, Namibia

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

Juan Carlos Munoz / Ancient dead Camelthorn tree (Vachellia erioloba) in Deadvlei, Sossusvlei Salt Pan, Namib Naukluft National Park, Namibia

Juan Carlos Munoz / Ancient dead Camelthorn tree (Vachellia erioloba) in Deadvlei, Sossusvlei Salt Pan, Namib Naukluft National Park, Namibia

Juan Carlos Munoz / Tourists walking among ancient dead Camelthorn tree (Vachellia erioloba) in Deadvlei, Sossusvlei Salt Pan, Namib Naukluft National Park, Namibia

Juan Carlos Munoz / Tourists walking among ancient dead Camelthorn tree (Vachellia erioloba) in Deadvlei, Sossusvlei Salt Pan, Namib Naukluft National Park, Namibia

Juan Carlos Munoz / Ancient dead Camelthorn tree (Vachellia erioloba) in Deadvlei, Sossusvlei Salt Pan, Namib Naukluft National Park, 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.

Chris Mattison / Camelthorn tree (Vachellia erioloba) Dan Viljoen National Park, Namibia

Chris Mattison / Blackthorn acacia (Vachellia erioloba) in flower, Central Namibia.

Jouan & Rius / Camel thorn pods {Vachellia erioloba} Kalahari desert, South Africa

Jouan & Rius / Camelthorn tree (Vachellia erioloba), Tsauchab valley, Namib Naukluft NP, Namib desert, Namibia

Jouan & Rius / Dead camelthorn tree (Vachellia erioloba) in the Tsauchab valley, Namib Naukluft NP, Namib desert, Namibia

Jouan & Rius / Sunset behind Camelthorn tree (Vachellia erioloba), Kgalagadi Transfrontier Park, Kalahari desert, South Africa

Richard Du Toit / Fallen seedpods from the Camelthorn tree {Vachellia erioloba} Moremi WR, Botswana

Pete Oxford / Camelthorn tree on dune {Vachellia erioloba} Kalahari Kgalagadi TP, South Africa

Philippe Clement / Close-up of Camelthorn tree {Vachellia erioloba} seed pods, thorns and leaves, Kgalagadi Transfrontier Park, South Africa

Philippe Clement / Camel Thorn tree (Vachellia erioloba) in dry riverbed of Auob River, Kalahari desert, Kgalagadi Transfrontier Park, 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,

Jose B. Ruiz / Camelthorn tree in Namib desert {Vachellia erioloba} Sossus Vlei, Namibia

Jose B. Ruiz / Camelthorn tree in Namib desert {Vachellia erioloba} Sossus Vlei, Namibia

Jose B. Ruiz / Camelthorn tree in Namib desert {Vachellia erioloba} Sossus Vlei, Namibia

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

Guy Edwardes / Southern carmine bee-eater (Merops nubicoides) perched in Camelthorn (Vachellia erioloba) tree, seedpod on branch below. Chobe National Park, Botswana.

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

David Allemand / Dead Camel thorn tree (Vachellia erioloba), Sossusvlei, Namib Naukluft 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 / Camel thorn tree (Vachellia erioloba) in sand storm, Sossusvlei, Namibia

Emanuele Biggi / Camel thorn tree (Vachellia erioloba) silhouetted at sunset in the cold winter desert of Southern 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 tree (Vachellia erioloba) growing in the rocky plains at the base of giant red dunes around Sossusvlei, 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

Emanuele Biggi / Camel thorn tree (Vachellia erioloba) growing in the rocky plains at the base of giant red dunes while winds blow the dune's sand creating patterns, Sossusvlei, Namibia

Emanuele Biggi / Camel thorn tree (Vachellia erioloba) in the rocky outcrops around Brandberg Mountains (in the background) at night with the Milky Way, and full moon lighting the foreground. Namibia.