Dominoes is a family-friendly, tile-based-game. There's the right way to play them, and then there's what most of us have done at some point: line them up, and then knock them down in a chain reaction!
But did you know this is actually an art form? It requires incredible focus and patience because if one falls, it's game over. To feast your eyes on the most astonishing structures built by domino artists, click through this gallery.