In my view, what an open city means is that people are exposed to one another. That’s my idea of the open city, that it’s a place where physical presence with the other, and comfort with the physical presence of the other, does the work of allowing people to live together even if they are not engaged in the process of negating their differences.
You all have, undoubtedly, friends in New York and San Francisco and Berlin and Tokyo and Australia or whatever, all of whom you have much more in common with than you do with your neighbor. You’ve created diasporas of interest. The death of distance has created many different new forms of country. Countries which aren’t based on how far it is from us to those guys over there, but new countries based on what you’re interested in.