Bruce Ferguson, one of the team of New Zealanders who helped construct the giant rugby ball at the foot of the Eiffel Tower, discusses the project, and what happened the night the All Blacks lost.

This isn't the last you'll see of the ball: it's on a world tour for the next four years, which will wind up in Auckland in 2011.

There are video clips of the job here, including this one of the big night: