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History made as Dorothy – HS2’s state-of-the-art tunnel boring machine – completes the project’s first tunnel after 8 months underground
Historic breakthrough on London to Birmingham route
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.gov.uk/government/news/history-made-as-dorothy-hs2s-state-of-the-art-tunnel-boring-machine-completes-the-projects-first-tunnel-after-8-months-underground
History made as Dorothy – HS2’s state-of-the-art tunnel boring machine – completes the project’s first tunnel after 8 months underground
www.gov.ukHistoric breakthrough on London to Birmingham route.