Photos: St. Patrick's Day celebrations around the world
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Britain's Kate, the Duchess of Cambridge meets cadets during a visit to the 1st Battalion Irish Guards at the St. Patrick's Day Parade at Mons Barracks, Aldershot, in England, Tuesday, March 17, 2015. The Duke of Cambridge attended the Parade as Colonel of the Regiment and the Duchess of Cambridge presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. (AP Photo/Kirsty Wigglesworth)