I disagree. Even if NYC goes "dead" for a while -- maybe even for a generation -- it will eventually come back. In every continent today, most major cities hav

I disagree. Even if NYC goes "dead" for a while -- maybe even for a generation -- it will eventually come back. In every continent today, most major cities have been around for millennia, surviving through all kinds of natural and man-made disasters: https://en.wikipedia.org/wiki/List_of_oldest_continuously_inhabited_cities https://en.wikipedia.org/wiki/List_of_oldest_continuously_in... It seems that as long as populations in surrounding areas survive (i.e., as long as populations aren't wiped out, as apparently happened with, say, Mayan cities), large cities tend to persist century after century, coming back again and again.