Timelapse Video Shows Chicago River Turning Green for St. Patrick's Day

Every St. Patrick’s Day, people gather at the Chicago River to watch the water being dyed green, a tradition that has been taking place for over 50 years.

Lindsey Engelbert, a Chicago resident, posted a timelapse video of the process to her Instagram page, showing boats being used to turn the river bright green. Credit: Lindsey Engelbert via Storyful