how do we know there weren’t advanced human civilisations 50,000+ years ago?

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Recorded history only goes back around 5,000 years, but humans have been around for 200,000 years. Could there have been highly sophisticated ancient societies of which no trace remains?

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Anonymous 0 Comments

Its not likely.

The probability of there being absolutely zero trace of such a civilization is extremely low. Yes, the majority of buildings, artifacts, and evidence of our current civilization would be mostly destroyed in several thousand years…. but there would still be the random odd item that got lost/left in a highly stable environment and could be found 10’s of thousands of years later, if not longer. We find skeletal remains (rarely) that are older. Advanced medicine leaves evidence. Even if that evidence is a lack of issues. None of the remains demonstrate evidence of advanced medical care.

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