10-24-2019, 08:45 PM
|
 |
Senior Member
|
|
Join Date: Mar 2017
Location: ABQ, New Mexico
Posts: 36,633
Thanks: 3,506
Thanked 136,907 Times in 22,942 Posts
|
|
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.
|