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People who like reply on Oslo plans to build a 19 km long water supply tunnel to be bored by Tunnel Boring Machines

    Jørn Madsen
    Jørn Madsen on Oslo plans to build a 19 km long water supply tunnel to be bored by Tunnel Boring Machines (): Ole-Petter Nilsen from the Water and Wastewater Administration in Oslo...

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    cover tunnel photo by: Matt Brown from London, England / CC BY

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