One of the giant machines digging the tunnels for HS2 has become the first on the project to complete its full journey underground.A 2,000-tonne tunnel-boring machine (TBM) called Dorothy, named after Dorothy Hodgkin - who in 1964 became the first British woman to win the Nobel Prize in chemistry, completed its one-mile dig under Long Itchington Wood in Warwickshire.

One of the giant machines digging the tunnels for HS2 has become the first on the project to complete its full journey underground.A 2,000-tonne tunnel-boring machine (TBM) called Dorothy, named after Dorothy Hodgkin - who in 1964 became the first British woman to win the Nobel Prize in chemistry, completed its one-mile dig under Long Itchington Wood in Warwickshire.