The roof of the primary cavern is about twelve metres below Hunter Avenue, even though its flooring is about thirty metres deep. The alignment of the principle cavern and tunnels follows as closely as feasible that of Hunter Avenue earlier mentioned to stop Business office skyscrapers’ deep basements. . After https://sydney-cbd-chauffeur52962.myparisblog.com/26629898/little-known-facts-about-sydney-cbd-chauffeur