http://www.youtube.com/watch?v=x5l6mE8_Mi4endofvid[starttext]4. Ito, Japan: Laundry tub raceFor 54 years, Ito residents have been going “rub-a-dub-dub.” Every July, hundreds of competitors squeeze their bums into a laundry tub and paddle furiously down Matsukawa River. The race is a tip of the hat to those who formerly washed clothes on the river banks. Some participants don costumes -- beer hats, Groucho Marx glasses -- and more than a few makeshift boats capsize. [endtext]