Mega Metro
Railroaded
Season 1 Episode 3 of 4
The project's most daunting challenge - tunnelling under Sydney Harbour - begins. At Martin Place, engineers juggle skyscraper construction above and station excavation below
Mega Metro airs on U&Yesterday +1 at 10:00 PM, Wednesday 24 December. (New.)
Topics
Education ➝ Science ➝ Factual Topics
Technology