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Sydney Metro: Tunnelling under Sydney Harbour
Sydney's $5BN Tunnel U-Turn
Sydney Metro Education: Tunnelling under the harbour
Sydney Metro: 360 Tunnel Tour Under Sydney Harbour
Australia’s $64BN Mega Railway
Tunneling Beneath Sydney - Mega Metro - S01 EP1 - Engineering Documentary
Building Sydney's Underground Metro Tunnels!
Sydney Metro: city tunnel borers
Tunnelling Under The Sydney Harbour | Mega Metro | S1E03 | Beyond Documentary
TBM Breakthrough Marks Completion of Sydney Metro Tunnelling | This Is Construction
Engineering Sydney's Futuristic Metro Line - Mega Metro - S01 EP4 - Engineering Documentary
Sydney Metro: Historic harbour crossing
