If you found the the torn out page from a porn magazine on the street while you were walking then you would...
i found something like this in school. i sold it for about a quid and bought a shit load of junk food the kid it was sold to got done for having porn in school. i denied having any involvement.
I'd walk past it, a guy probably cummed on it... Although I have found porn DVD's laying on the street many times,and I do pick them up even though I don't need them... I wouldn't want some little kid finding them and being introduced to porn at a young age....... like I was...