March 17 (UPI) --
Chicago resident Peter Tsai took a time lapse video showing preparations for St Patrick’s Day in the city, including turning the city's river its annual festive green.
The tradition draws thousands of spectators every year as the green vegetable dye is dumped in the river between Columbus and Wacker Drives.
© 2014 United Press International, Inc. All Rights Reserved. Any reproduction, republication, redistribution and/or modification of any UPI content is expressly prohibited without UPI's prior written consent.