City Circle
mostly-underground railway line located in the Sydney central business district, in New South Wales, Australia, that make the core of the Sydney's passenger rail network
en-US/ˈsɪti ˈsɝkəl/
en-GB/ˈsɪtɪ ˈsɜːkəl/
mostly-underground railway line located in the Sydney central business district, in New South Wales, Australia, that make the core of the Sydney's passenger rail network