Medway River
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Britain's hidden 'red river' resurrected

Environment Agency to uncover 'lost rivers' to their natural courses after being buried underground or diverted during the Victorian era.

More than 9,000 miles of rivers were diverted underground or re-routed as Britain's cities expanded during the Victorian era.

Now the Environment Agency is set to uncover so-called "lost rivers", and return them to the nation.

Ben Moore visits Manchester's Medlock, known for running red, white and blue in the 1800s, but lost for a century.