100 Olympic Tidbits: Five rings 'to rule them all'

The five rings in the Olympic flag are colored, from left to right, blue, yellow black, green and red. They represent the five continents and are interlaced together to represent the meeting of athletes from around the world. (source: the Olympic Charter at Olympic.org)

Editor's Note: To celebrate the 100-day countdown to the London Games, we will be publishing 100 tidbits about the Olympics. Come back to Yahoo! PH Sports, as we publish a new tidbit everyday.