Sheffield City Centre Kelham Island Quarter. In the 21st century it has become dominated by new office developments and apartment complexes. The Riverside Exchange and West Bar developments are a significant part of this change and have seen the area transformed dramatically. Also in this area is the St Vincent Quarter which lies on the opposite bank of the River Don to the Riverside Exchange area. The Sheaf Valley Area, surrounding the River Sheaf, is dominated by Sheaf Square/Sheffield Station and the Cultural Industries Quarter (CIQ). Sheaf Square, which has been completely redeveloped in recent years, now serves as gateway to the city
Sheffield City Centre of the city centre, is host to numerous national and international sporting events, notably swimming and Basketball. The Crucible Theatre, in Tudor Square, is host to the World Snooker Championships which have been held there since 1977. Sheffield is home to the greatest concentration of theatres in the UK outside London. These include the Crucible, Lyceum, Montogomery and Studio theatres. The city centre is home to numerous venues which attract many well-known musicians, comedians, theatre groups and so on. Examples include the City Hall, O2 Academy, Plug, and the Lyceum and Crucible theatres. Sheffield city centre is host to its