The Admiralty Station Extension connects 4 existing railway lines underground and expands under the operating Admiralty Station and railway lines. A 30m tall unique and spacious atrium with a stunning skylight draws natural light from the new street level exit to underground. 34 new escalators locates in the atrium facilitating passengers’ interchange between platforms. A colorful suspended artwork is installed in the atrium to represent the convergence of the 4 railway lines and to enrich passengers’ travel experience.