Map of the migration of over 150,000 people in part of North America over time. Each blue dot represents a birth, and every red dot a death. The lines connect birth and death place. [GIF] [1080 X 608]

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Map of the migration of over 150,000 people in part of North America over time. Each blue dot represents a birth, and every red dot a death. The lines connect birth and death place. [GIF] [1080 X 608]
submitted by PharOutMan [link] [4 comments]

January 18, 2016 at 09:57PM
via Instapaper http://ift.tt/1nuwnab

John Jason Fallows

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