Swansea Valley yr Ogof Caves, claimed to be the largest show cave complex in Western Europe. South of Abercrave, the valley was formerly a region of heavy industry including coal mining and iron-making and there is plenty of the industrial heritage surviving; the Swansea Canal was built along the valley in the late 18th century to serve the nascent local industries. In 1878 opera singer Adelina Patti made her home at Craig-y-Nos Castle. Swansea Valley The Swansea Valley (), one of the South Wales Valleys, is the name often given to the valley of the River Tawe area in southern Wales, United
Swansea Reservoirs which supply Swansea include the Cray reservoir and the Lliw Reservoirs, which are operated by Welsh Water. The Local Gas Distribution company is Wales and West Utilities. There was a high rate of car crime during the 1990s. In 2002, the BBC described Swansea as a "black spot for car crime". Car crime is a central theme in the film "Twin Town", which was set in and around Swansea and Port Talbot. The football violence that Swansea experienced during the 1970s–1990s has considerably reduced, the only major clashes occurring between Swansea City supporters and Cardiff City supporters. Many matches