| If all of humankind were to vanish from the planet overnight, the effects of our presence would linger on for centuries, and in some cases, millennia. {mp3remote}http://media.krcb.org/audio/nbr/12-22-08.mp3{/mp3remote} 
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 | Author Alan Weisman. Read his full bio here. | 
   
If humankind were to vanish from the Earth, which of our artifacts would be the first to follow us, and what would endure the longest? Find out here .
 
 
 
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