Machine digging HS2's longest tunnel breaks through | Denbighshire Free Press denbighshirefreepress.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from denbighshirefreepress.co.uk Daily Mail and Mail on Sunday newspapers.
The tunnel boring machine Florence was launched in May 2021 near Rickmansworth, Hertfordshire, and today finished an around 10-mile long dig under the Chiltern Hills.
Florence was greeted with fireworks and cheers from hundreds of HS2 workers who gathered to witness the moment near South Heath in Buckinghamshire on Tuesday