“I sometimes wonder if there wasn’t a civilization that existed between 120,000 and 10,000 years ago that may have even been MORE technologically advanced than OURS that spectacularly self-destructed about 10,000 years ago.”
Anything is possible, but I can’t believe that we wouldn’t have found at least *some* large scale evidence by now. Still, the world is a rather large place all things considered ... who knows :-).
How much of NYC would remain after a couple glaciers?