🍀The Chicago River is dyed green every year to celebrate St. Patrick's Day.
🌉The dyeing of the Chicago River is organized by the Chicago Plumbers Union.
🌎The event attracts visitors from around the world to celebrate the Irish heritage.
🎉The river is turned green using a proprietary dye created by the plumbers.
🎶The event is accompanied by a parade and festivities throughout the month of March.