HS2 Chiltern tunnel with crosspassageway visible to the right November 2022 50591
HS2 Chiltern tunnel with crosspassageway visible to the right November 2022 50591...S2 media https://mediacentre.hs2.org.uk/news/breakthrough-for-hs2s-longest-tunnel...hs2.org.uk/resources/f/construction/chiltern-tunnels/images-tunnelling-and-the-south-po...
cover tunnel photo by: Matt Brown from London, England / CC BY
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