Sand dune in the Namib Desert, in the evening, Namib-Naukluft National Park, Namibia, Africa

Camel thorn tree (Acacia erioloba) and sand dunes in the evening in the Namib Desert, Namib-Naukluft National Park, Namibia, Africa

Shadow of a hot-air balloon in the Namib Desert, photographed from the basket of the balloon, Namib-Naukluft National Park, Namibia, Africa

Sossusvlei Lodge, Sesriem, Namib Desert, aerial view, Namib-Naukluft National Park, Namibia, Africa

Shadow of the hot-air balloon over an arid plain and the dry riverbed of the Tsauchab river at the edge of the Namib Desert, photographed from the basket of the balloon, Namib-Naukluft National Park, Namibia, Africa

"Tourists climbing Dune 45 in the evening light, Sossusvlei, Namib Desert, Namib Naukluft Park, Namibia, Africa"

"Sand, Sossusvlei, Namib-Naukluft National Park, Namibia, Africa"

Sand dunes, Sossusvlei, Namib Desert, Namib-Naukluft National Park, Namibia, Africa

"Four-by-four, Namib Desert, Namib-Naukluft National Park, Namibia, Africa"

"Tourists climbing the Sossusvlei Dunes, Namib-Naukluft National Park, Namibia, Africa"

"The Naukluft mountains, Namib-Naukluft National Park, Namib Desert, Namibia, Africa"

"Four-by-four, Namib Desert, Namib-Naukluft National Park, Namibia, Africa"

Sand dunes, Sossusvlei, Namib Desert, Namib-Naukluft National Park, Namibia, Africa

"Tourists climbing the Sossusvlei Dunes, Namib-Naukluft National Park, Namibia, Africa"

"The Naukluft Mountains, Namib-Naukluft National Park, Namib Desert, Namibia, Africa"

"Sand dunes, Sossusvlei, Namib Desert, Namib-Naukluft National Park, Namibia, Africa"

"Sand dunes, Sossusvlei, Namib Desert, Namib-Naukluft National Park, Namibia, Africa"

Tourists having fun at Dune 45 in the Namib Desert, Namib-Naukluft National Park, Namibia, Africa