Overhead, a mirrored disco ball sent fragmented light spinning the room.

They snatched victory through a public telephone vote to hold the mirrored disco-ball trophy.

But it was a public telephone vote that sealed their victory and sent Ohno home with the mirrored disco-ball trophy.

This pulsing merry-go-round of a visual effect was achieved by surprisingly simple means: a mirrored disco ball and eighteen slide projectors.