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 Barrage 1987, prior to approval of the construction of the barrage, the Cardiff Bay Development Corporation was established to proceed with redeveloping the docklands, a sixth of the entire area of the city of Cardiff. In November 1999, the barrage was completed, with the sluice gates closed at high water, to retain the seawater from the Bristol Channel within the 500 acre (200 hectare) bay. At first major water quality problems ensued which required the bay to be drained dry overnight and refilled each day. Eventually, oxygenation systems (based on those used at the Swansea Barrage) were installed which improved water