<br /> <p>The Chicago River was turned emerald green ahead of this year’s St Patrick’s Day festivities.</p><p>This timelapse video from March 11 shows the water transition to green to commemorate the holiday.</p><br /><p>Around 45 pounds</a> of vegetable dye was used to dye the river green. The dye lasted about five hours, accompanying the city’s annual St Patrick’s Day Parade that day. Credit: Peter Tsai via Storyful</p><br />
