IMAGE IS FOR YOUR ONE-TIME EXCLUSIVE USE ONLY AS A TIE-IN FOR THE NATIONAL GEOGRAPHIC GENOGRAPHIC PROJECT. NO SALES, NO TRANSFERS.
Photo by Chris Johns
©2007 National Geographic
Bushmen armed with bows and arrows walk across a salt pan in Nyae Nyae Conservancy, Namibia. The Genographic Project, a global, five-year research initiative launched by National Geographic and IBM, will trace the migratory history of the human species.