HS2 Chiltern tunnel with crosspassageway visible to the right November 2022 50591
...hiltern tunnel with crosspassageway visible to the right November 2022 50591 London, United Kingdom. HS2 media https://mediacentre.hs2.org.uk/news/breakthrough-for-hs2s-longest...China Railway Tunnel Group TBM breakthrough at Georgia Gudauri Tunnel
China Railway Tunnel Group (CRTG) TBM breakthrough at Georgia Gudauri Tunnel photograph is press release of CRTG https://www.prnewswire.com/news-releases/successful-breakthrough-of-gudauri-tunnel-in-georgias-north-south-corridor-kk-highway-project-302124845.htmlHS2 TBM 'Florence' breakthrough after boring 16km long Chiltern tunnel.
...knecht Tunnel Boring Machines that are used. Photo has date 27 February 2024 London, United Kingdom. HS2 media https://mediacentre.hs2.org.uk/news/breakthrough-for-hs2s-longest...
cover tunnel photo by: Matt Brown from London, England / CC BY
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