HBO and BBDO developed an amazing campaign lately called: “It’s more than you imagine”. In New York, Philadelphia and Washington D.C. they placed a 14 foot Cube on the streets where on 4 sides of the cubes, a story could be sen. It was the same story, but in an other angle, which made the story more interesting as you only see it on one side.
Check out their site HBO campaign to view the two stories. This campaign won Silver on the Cannes Lions awards.