TIMELAPSE: Chicago River dyed green for St. Patrick's Day

As is tradition, the Chicago River was dyed green over the weekend for the city's St. Patrick's Day celebration.

Youtube user Peter Tsai took the opportunity to film a time lapse as crews worked to dye the river green.

The video was uploaded to Youtube on Saturday and has already garnered over 15,500 views!

Have a great St. Patrick's Day!

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