Beneath Sydney, a mini-city is being dug for machines bigger than an aircraft fuselage

Giant caverns – each large enough to house the body of an A380 – will house the boring machines that will carve the road tunnel between Waverton and Birchgrove.

​Giant caverns – each large enough to house the body of an A380 – will house the boring machines that will carve the road tunnel between Waverton and Birchgrove. National / NSW Sydney Morning Herald – Latest News

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