They're everywhere - outside of window ledges, on banisters, clothes lines, clothes hangers, and trees. Makes the campus look a bit Doctor Suessian, no?
Also hanging out on top of the - I don't know the exact word for these - "newspaper reading kiosks", maybe? - which are themselves a relic of an earlier time when posting the Party newspaper behind glass was the only form of information that people got about goings on elsewhere.
And then there were these huge strips of seaweed all stretched out the other day. Don't know what the story is behind those, as we're quite far away from the nearest ocean last time I checked. Bet they'll end up being pretty tasty, regardless.