This story appears in the June 2011 issue of National Geographic magazine ... sky over a sand dune on the eastern edge of the Namib Desert. A jackal trotted west toward a stand of camel thorn ...

National Geographic has slated the debut ... the tropical Galapagos, the desert caves of Namibia and more. A three-person crew even spent 274 days filming on the Ekström Ice Shelf in Antarctica.

This Earth Day, embark on an unforgettable adventure with Emmy® and BAFTA Award-winning Nat Geo Explorer Bertie Gregory ...

on assignment in Namibia for National Geographic magazine ... down to the bottom of the sand dune just before it reached the desert floor. I used a long telephoto lens and stopped it all the ...