Migration to the Americas. Diagram showing the three theories (arrowed) for when and how humans first arrived in the Americas. The central arrow shows

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Migration to the Americas. Diagram showing the three theories (arrowed) for when and how humans first arrived in the Americas. The central arrow shows migration from Asia along an ice-free corridor through Alaska and Canada 15,000 years ago. The arrow at left shows humans from Asia sailing along an ice-free region south of Alaska to reach the western coast of North America. The third arrow right) shows Europeans crossing the Atlantic, possibly some 20,000 years ago.

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Size: 4193px × 4193px
Photo credit: © CLAUS LUNAU/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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