A wide range of industries and warehousing occupied much of the area, mainly low scale shed-like light industrial buildings, but also heavy engineering works such as Austral Otis elevators on Kings Way (formerly Hannah Street), multi level store houses such as the Tea House on Clarendon Street, as well as the Castlemaine Brewery. By 1940 businesses included the Allen's Sweet factory opposite Flinders Street Station (with its famous animated neon sign), the Malvern Star bicycle works, and numerous car sales and maintenance businesses. By 1900 what is now the Victorian Arts Centre had become an entertainment precinct, with the Green Mill dance hall and circus site, and a large cinema and the Glacarium ice skating rink along City Road. In the 1920s the YMCA was built where City Road joined St Kilda Road, and in the 1960s two high rise office towers were built between City Road and Allen's. Replacing the amusement area, the National Gallery of Victoria was opened in 1968, with the Arts Centre eventually opening in the early 1980s. In 1987 the elevated Westgate Freeway was extended to Kings Way, and by 1999 was extended to join the Citylink tunnels, carving a line across Southbank with a large area occupied by off ramps.