r/AlternativeHistory • u/StargazerNation • 1d ago

Alternative Theory The Enigmatic Inga Stone of Brazil: Ancient Star-Map? or Lost Cosmic Order?

https://youtu.be/S5tqnuHJFQ4

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u/PLUTO_HAS_COME_BACK 11h ago

Is it an evidence that the ancient people had metal tools?

How could such engraving be done without metal tools?