St. Patrick's celebrations go green

A parade-goer takes part in the St Patrick's Day festivities in Dublin, Ireland, on Saturday. More than 100 parades are being held across Ireland in honor of the nation's patron saint, with up to 650,000 spectators expected in Dublin.

A parade-goer takes part in the St Patrick's Day festivities in Dublin, Ireland, on Saturday. More than 100 parades are being held across Ireland in honor of the nation's patron saint, with up to 650,000 spectators expected in Dublin.