HS2 Aerial view looking directly down the shaft at Little Missenden
HS2 Aerial view looking directly down the shaft at Little Missenden from:https://mediacentre.hs2.org.uk/news/tunnel-progress-as-hs2s-florence-and-cecilia-reach-little-missendenCRCHI World's Largest Diameter Vertical TBM for shaft boring
World's Largest Diameter Vertical Tunnel Boring Machine for shaft boring Made in China by CRCHI. http://en.crchi.com/art/2023/6/16/art_40592_4586039.htmlCGI aerial view of Chalfont St Giles vent shaft at Year 15 following construction
CGI aerial view of Chalfont St Giles vent shaft at Year 15 following construction image: HS2 Ltd
cover tunnel photo by: Matt Brown from London, England / CC BY
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