Some views of May 5th in Japan May 02 2011

As you can see, it's a little different than Cinco de Mayo celebrations. May 5th is known as Boy's Day, Children's Day, kodomo no hi, or as I call it : "The day when fish fly".
Click on the youtube link below to check out a monster size koi nobori 鯉のぼり (carp kite): Biggest Koi Nobori Ever!