Originally Posted by
bobwtfomg
Over the past 40 years new discoveries and new technologies have revealed an amazing amount of information about our distant past, and have in general pushed back estimations of when our ancestors first learnt various technologies and formed complex societies. Is it totally unreasonable to think there might be another Nevali Cori or Golbekli Tepi under some place as yet unexplored by modern archeology?
There's a difference between that and some civilization knowing how to do open heart surgery, so the Aztecs get that idea from them.