How an interview project 'shows the continuity of the human family' - The World from PRX

National Geographic Explorer Paul Salopek has been walking across the globe for his project, Out of Eden Walk. And he marks every 100 mile checkpoint by interviewing the first person he sees. He joins Marco Werman to explain how these interviews, which he calls Milestones, are central to his global storytelling project.

Raccontata datheworld.org