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Wei O'Connell | profile | all galleries >> Events >> Dyeing the Chicago River | tree view | thumbnails | slideshow |
Chicago is famous for this annual event: dyeing the Chicago River green.
The tradition started in 1962, when city pollution-control workers used dyes to trace illegal sewage discharges and realized that the green dye might provide a unique way to celebrate the holiday (St. Patrick's Day). That year, they released 100 pounds of green vegetable dye into the river—enough to keep it green for a week!
Today, in order to minimize environmental damage, only forty pounds of dye are used.
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JB | 17-Mar-2013 18:39 | |
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