Is it possible that technologically advanced human civilizations lived on earth...

  • Thread starter Thread starter Timaximus
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Timaximus

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...millions of years ago? and have been eradicated by time, the same way that if humans were to disapear today, there would be no traces of us left in 5,000 years. which is a very small ammount of time when compaired to the estimated life time of the earth
 
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