This map shows how stupid it is for us to be waging wars. We all come from the same place. And for what it's worth, the only thing outside this planet is a void.
National Geographic Out of Eden WalkPulitzer Prize-winning journalist and National Geographic Fellow Paul Salopek is retracing on foot the global migration of our ancestors in a 21,000-mile, seven-year odyssey that begins in Ethiopia and ends in Tierra del Fuego.National Geographic Out of Eden Walk