Completing the city portion of the project involved the technically demanding task of building the tunnel beneath Sydney Harbour. This ...

After years of meticulous planning, the much-anticipated underground tunnel connecting Lighthouse and Thirumayilai as part of ...

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling renaissance that is creating a new, mainly hidden, London.