Lee Valley sewer tunnel opens after years of construction

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Lee Valley sewer tunnel opens after years of construction

The controversial Lee Valley sewer tunnel has opened after years of construction.

The project, which cost more than 670 million pounds, was opened officially by the Mayor of London Boris Johnson.

It's the first of two "super sewers" that will eventually pump 39 million tonnes of raw sewage out of the River Thames.

The scheme came under criticism after Thames Water announced they would be increasing yearly bills to pay for the Lee Valley's sister tunnel, the Thames Tideway tunnel.

Luke Garratt Reports.

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