Meet the man who dyes the Chicago River green for St. Patrick's
You have to see this! Timelapse video of Chicago River being dyed
Chicago dyes river green for St. Patrick's Day again
Green River Chicago: Why is This a St Patrick's Day Tradition?
Chicago to dye river green for St Patrick's Day - History of tradition
Green water: Cities dye rivers, fountains for St. Patrick's Day
Watch the Chicago River turn green to celebrate St. Patrick's Day
St. Patrick's Day: Chicago River dyed green annually
St. Patrick's Day Chicago, Green River Dyeing & Parades