A few things, actually, but this is the one for public consumption.
I’ve always used a few heuristic devices to tell what the vibe of a city is.  Specifically, I look for ways to know a city ain’t playin no games.  One of them has been to avoid cities where people routinely walk around without shirts (save for most beach towns).  That’s just not a good sign.
Well, here’s one I picked up in Baltimore.  Whenever you see a plethora of grown men, like in their 40s, with corn rows, this ain’t no place for you to be.
More on Bmore later.