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Selfie photographs are taken as construction workers and members of the media wait for tunnel boring machine "Cecelia" to break through, after tunnelling under the Chiltern Hills at the Chiltern Tunnel north portal construction site for the HS2 high-speed 2 railway project, near Great Missenden in Buckinghamshire, north-west of London on March 21, 2024. (Photo by Daniel LEAL / AFP) (KEYSTONE/AFP/DANIEL LEAL)