The Northern Line Extension ahs reached a major milestone with the completion of tunnelling work.
Huge tunnel boring machine, Amy, broke through at Kennington, which means that the two 3.2km tunnels from Battersea Power Station, via Nine Elms, have now been built.
Since their launch in the spring, Helen and sister tunnelling machine Amy have been working around the clock to create the north and southbound tunnels that will extend the Charing Cross branch of the Northern line.
След като натиснете бутона "Абонирай ме" ще Ви бъде изпратено писмо с връзка за потвърждение.
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