HS2 launches the Midlands' first tunnel-boring machine

The video introduces Dorothy, a tunneling machine used for constructing a tunnel south of an ancient woodland. The project emphasizes environmental restoration, aiming to plant 7 million trees and restore the land to its natural state. The tunneling process involves a cutter head and concrete rings. The speaker shares their passion and challenges faced in the project, highlighting the machine's capability to perform nearly nine kilometers of tunneling.

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