The Chicago River Flows Backwards

Chicago's water U-turn! 🔄🏞️ In 1887, the Illinois General Assembly reversed the Chicago River's flow, redirecting Lake Michigan water to the Mississippi watershed. Triggered by weather concerns in 1885, it took a century for success. In 1999, it earned a nod as a civil engineering millennium monument! 🌊🏛️

#ChicagoRiver #EngineeringMarvel

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