HistoryIsComplex Posted January 25, 2021 Share Posted January 25, 2021 They were highly advanced in many things. Mathematics. Astronomy. City building. Then Reptilian looking Creatures - from Space possibly - corrupted them into cannibalism, child sacrifice and witchcraft. They eventually disappeared without trace and left behind empty cities which sit in the American desert to this day. 1 2 Quote Link to comment Share on other sites More sharing options...
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