Assuming they migrated to someplace else, who are their descendants?
Assuming they all died from war, disease or starvation, where are all the graves and skeletons?
Assuming they all left in flying saucers, where is that Alien Guy?......................
Bad hair day!
I thought there were still plenty of Mayans around, and their language is still alive. It’s just their cities which are gone.
Maybe the Aztecs ate them.