St James station, Sydney: Abandoned underground's eerie world, Photos
Underground Sydney Map Sydney map, Underground map, Underground
First metro train travels under Sydney Harbour
On This Day In Australia: In 1992, the Sydney Harbour Tunnel officially opened – Craig Hill Media
Scope The Trees, Stars And Birds Illuminating The New NorthConnex Tunnel Before It Opens - Secret Sydney
Protesters block Sydney tunnel, streets causing commuter chaos
Using Sydneys tunnels
Cable tunnels under Sydney - Utility Magazine
Abandoned Sydney tunnels to be transformed into public attraction
Into Sydney's ghostly underworld