Sheffield exists to promote chamber music. It describes itself as the largest promoter of chamber music outside London. Sheffield has two large theatres, the Lyceum Theatre and the Crucible Theatre, which together with the smaller Studio Theatre make up the largest theatre complex outside London, located in Tudor Square. The Crucible Theatre is the home (since 1977) of the World Snooker Championships and hosts many well-known stage productions throughout the year. The Lyceum, which opened in 1897, serves as a venue for touring West End productions and operas by Opera North, as well as locally produced shows. Sheffield also has the
Transport in Sheffield extended to a new station, Sheffield Victoria in 1851, and Wicker station was replaced by Sheffield Midland in 1870. A horse tramway opened from Lady's Bridge to Attercliffe in 1873, this was later extended to Brightside and Tinsley. Further horse tramway routes were constructed to Hillsborough, Heeley, and Nether Edge. There was an unsuccessful trial of Steam trams in 1877 and 1878. Due to the narrow medieval roads the tramways were initially banned from the town centre. An improvement scheme was passed in 1875, this led to the first major alterations to the medieval street plan, Pinstone Street and Leopold