The roof of the primary cavern is about twelve metres under Hunter Street, while its flooring is about thirty metres deep. The alignment of the primary cavern and tunnels follows as closely as possible that of Hunter Avenue previously mentioned to stop Business skyscrapers’ deep basements. By road, Sydney CBD https://garrettmdpzj.shotblogs.com/the-smart-trick-of-sydney-cbd-chauffeur-that-nobody-is-discussing-40058662