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 indoor climbing centres. Sheffield was the UK's first National City of Sport and is now home to the English Institute of Sport – Sheffield, where British athletes trained for the 2012 Olympics. Sheffield also has close ties with snooker, with the city's Crucible Theatre being the venue for the World Snooker Championships. The English Institute of Sport hosts most of the top fencing competitions each year, including the National Championships for Seniors, Juniors (U20's) and Cadets (U17's) as well as the 2011 Senior European Fencing Championships. The English squash open is also held in the city every year. The International