apart height.
Clever.
Anyway, Oceans, I really dunno about that dude.
I mean black ghettos, china town, white middle class suburbs, Muslim ghettos, white trailer trash trailer parks... etc.
Seems people gravitate towards their own, rather than mix. Curiosity is something different.
You only have to look at the penitentiary system, the rawest, most primitive systems where people are literally stripped of their social statuses and financial classes. The inmates tend to always stick with their own races, like an instinctive impulse for survival.