About a few weeks ago, I was driving home from the store down one of the major highways in NJ (I don’t remember which one so don’t ask). So as I was driving I pass under an over pass (train bridge) and on this bridge was some graffiti. Now as I was driving away from it I was wondering, How does one get on to that bridge and paint on it. They would have to go onto the bridge and hang upside down, over a very major highway. Now I know if I would even try doing that i would fall and die. Now you see this stuff everywhere. I just want to know how they do it and 1) Don’t get caught by the cops 2) Don’t die from falling 3) Just why there?