I clung to the side of the huge red monolith, unable to move, unable to go backwards or forwards. I was, in a word, terrified. I had never before realised how scared I actually was of being high in the air. I had always known that it gave me a little thrill but this was different ... this was visceral. I vaguely thought about crapping my pants but then realised that the poor unfortunates beginning to pile up behind me wouldn't appreciate that very much, so I held onto that pa