I've had to take the 130 a few times in the last couple of months and by now I'm less shocked about it. As a sidenote, in Spain they were having a lot of trouble --especially in Barcelona-- because prostitution, especially (but not exclusively) from African immigrants, was getting out of control, with public exposure evolving into public sex.
This newspaper report and picture (may be a bit graphic for sensitive readers) made the front page of most major newspapers, and was the turning point for authorities doing something about it, especially since it was half a block from world-famous Boqueria market. When I ran out of the Bosques between the trees, that's what came to mind, that I would come across or close to someone who decided to save money on a telo and put green spaces to "good use". Thankfully it hasn't gotten that far, at least not in Palermo.