I get where you’re coming from, but I can’t think of a definition of “city” that would exclude Tucson. It’s a large, connected settlement of humans who don’t pr

I get where you’re coming from, but I can’t think of a definition of “city” that would exclude Tucson. It’s a large, connected settlement of humans who don’t primarily live from the land. For what it’s worth, Tucson does have suburbs, which are even less dense than Tucson (e.g. Oro Valley).