1. I think the TBM is less than child like Matt! 🙂

    It is pretty impressive, can’t wait to see similar being done for the CRL. Seeing the all of the high-tech in place with current methods also shows what amazing feats of engineering and construction that things like the London Underground were for their time

  2. Yes, it’s a pity that all that fantastic technology is being wasted digging out an unnecessary traffic sewer! Bring on the CRL.

  3. The last shot is the northern (waterview) tunnel portal? What are the insanely high concrete pillars holding up? It looks like a very very deep pit!

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