There are many ways that London 2012 is celebrating just three years to go to the Opening Ceremony of the Olympic Games.
You may, for instance, have seen the aerial photo of the Olympic Stadium with a giant number '3' within the centre:
So how was the '3' created? This time-lapse footage shows exactly how we did it with the help of five hundred people, give or take, from the Stadium team who formed the outline of the '3'.
