A lot of the time the only graffiti I see is random phrases and penises, all that sucks, but the more intricate stuff brings a breath of fresh air sometimes.
"Their bodies wrought by their tainted souls have left them disfigured and empty of essence."
Here is a video (it's long) where I take a walk through this really nice drain and tell the story of when I got arrested by police who attempted to use me to identify an infamous graffitist.
For those that like graffiti, when I get out of the bluestone tunnel and start heading down the big rectangular drain, there are quite a few pieces shown.
Ethics
