Economy of Cardiff London 2012 Olympics. It features the only Olympic-standard swimming pool in Wales, the Cardiff International Swimming Pool, which opened on 12 January 2008. The Tiger Bay area also housed one of the UK's earliest non-white immigrant communities. After a long period of neglect, it has now been regenerated as Cardiff Bay - a popular area for culture, entertainment and nightlife. Much of the growth has been thanks to the building of the Cardiff Barrage. Two large international business parks are planned for the north of Cardiff, the largest being at Thornhill which may include the building of a new junction
Cardiff Bay on the architectural map", housing exhibitions and visitor information. Cardiff Bay was used as the high-tech urban setting for the "Doctor Who" episode "Boom Town" and the show's spinoff, "Torchwood", whose makers deliberately avoided stereotypical portrayals of Wales in order to portray Cardiff as the modern urban centre it is today. In "Torchwood" series, there is a giant secret base underneath the bay, named "The Hub", from where the Torchwood team works. There is also a lift from the hub into the plaza with a perception filter making anyone who stands on the spot "not noticed". In the third series