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Visitors Enjoy The Racing At The Cheltenham Festival 2013

CHELTENHAM, ENGLAND - MARCH 14: Racegoer Margaret Connolly poses wearing a costume for St Patrick's Thursday at Cheltenham Racecourse on the third day of the Cheltenham Festival 2013 on March 14, 2013 in Cheltenham, England. Approximately 200,000 racing enthusiasts are expected at the four-day festival, which opened on Tuesday and is seen as many as the highlight of the jump racing calendar. (Photo by Matt Cardy/Getty Images)

St. Patrick's Day 2013

St. Patrick's Day is celebrated around the world, and even in space this year, on March 17.