RAW: Tunnelling under the harbour from McMahon’s Point to Barangaroo

Supplied video obtained December 9, 2019 of the McMahon's Point Metro Tunnel construction that goes under the harbour to Barangaroo in the city. Using "Kathleen" the boring machine this video shows through animation and actual footage how engineers are building the two tunnels that connect Sydney Metro to the city with the ultimate capacity of a train every two minutes in each direction from the North Sydney to the city. (AAP Video/Supplied/NSW Government) NO ARCHIVING, EDITORIAL USE ONLY