“Show us a swarm today: large group, moving together. Birds. Bugs. Kids. Taxi cabs. Your subjects can be big or small, animate or inanimate — whatever they are, you just need a lot of them.”
Somehow the wall of buses appears far more threatening than the swarm of pedestrians. In practice, I’d say that I’m far more leery of throngs of streetwalkers. Once pickpocketed, you never forget.