I don't remember the details and searches aren't turning up anything, but I remember somebody managed to camp on public streets without being bothered for a sur

I don't remember the details and searches aren't turning up anything, but I remember somebody managed to camp on public streets without being bothered for a surprisingly long time by building a tent that looked like a car with a cover on it. I think this was a bit of performance art rather than being done out of necessity, the point being that people just think of that space as being for cars and don't really question it.