It starts with one domino. It branches off into different lines. It ends with 272,297 dominos being toppled over. It sounds like a cross between a snake hissing and an annoying morning alarm. It's mesmerizing. It's hypnotic. It's 10 minutes long. It's worth watching over and over. It's world record breaking for dominos toppled in a spiral. It's made by Sinners Domino Entertainment in Germany. It's insane. [Sinners Domino Entertainment via The Awesomer]