Why walk across the planet for seven years? Journalist and National Geographic Fellow Paul Salopek is retracing the migratory path of humankind, from its origins in Ethiopia to the tip of South America. Just as early humans did, he's making this epic journey on foot.
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Read Paul Salopek's article—the first in a series—in National Geographic magazine online:
http://ngm.nationalgeographic.com/201...

Watch videos from the worldwide walk:
   • World-Walking Explorer Crosses Saudi ...  
   • On-Foot Explorer Reflects on the Midd...  

See where Paul is now, and get walk updates:
http://goo.gl/aGa1Wk

Around the World in Seven Years: Paul Salopek | National Geographic
   • Around the World in Seven Years: Paul...  

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