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 85% to 78% as a result of lower levels of winter survival. The freshwater lake had problems with blue-green algae initially which made it impossible to swim in the water or participate in water sports. These issues have now largely been resolved though some toxic algae remain in some of the dock areas in the bay. Cardiff Bay has become the first area of freshwater in Wales to be infested with zebra mussels – an alien species to the UK which multiplies rapidly to the detriment of native marine life. The Cardiff Harbour Authority has decreed that "Personal watercraft" used