Athens, Greece
I remember the first time I saw someone snort cocaine. I was at a Rolling Stones concert in Montreal in 1989 - fresh off "the Rock." Despite the fact that most of Jagger's and Richards' tunes were written about, or under the influence of some hardcore drug or another, it rattled me. I remember that scene more vividly than the still pimply-faced 45 year old Stones strutting around the stage of the Big O.
I also remember the first time I saw someone inject hero...