10-24-2019, 07:45 PM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
Posts: 36,633
Thanks: 3,506
Thanked 136,542 Times in 22,784 Posts
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The Chicago River is the only river in the world that flows backwards.
Due to sanitation reasons, engineers used a reversal technique to divert sewage away from Lake Michigan’s water supply.
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