 The richer and more knowledgeable spectators bought track-side seats and the rest crowded into the upper balcony from which the track looked a distant bowl.A rivalry grew between those in the top row and those below them, to the extent that those on high sometimes threw sausages, bread rolls and even bottles onto those below or, if they could throw that far, onto the track.The hall's managers had to install a net to catch the larger missiles.