Next moment, what seemed to be a great green-and-gold comet came zooming into the stadium. It did one circuit of the stadium, then split into two smaller comets, each hurtling toward the goal posts. A rainbow arced suddenly across the field, connecting the two balls of light. The crowd oooohed and aaaaahed, as though at a fireworks display. Now the rainbow faded and the balls of light reunited and merged; they had formed a great shimmering shamrock, which rose up into the sky and began to soar over the stands. Something like golden rain seemed to be falling from it -