I know very little too, but just happened to listen to an interview about this topic. Here is a paper suggesting that the region of where is Mexico had populat

I know very little too, but just happened to listen to an interview about this topic. Here is a paper suggesting that the region of where is Mexico had populations 30k years ago. https://www.nature.com/articles/s41586-020-2509-0 https://www.nature.com/articles/s41586-020-2509-0