BBC: "Crossrail unveils its first completed tunnel"

Link to video on web site

"The first completed tunnel in the £14.8bn Crossrail project has been unveiled.

"Tunnel machine Phyllis bored 4.25 miles (7km) between Royal Oak and Farringdon in London in an 18-month operation.

"Crossrail's seven giant tunnelling machines have completed more than nine miles of the 26 miles (42km) of new train tunnels."

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