Cardiff in making iron and later steel, brought to the sea by packhorse from Merthyr Tydfil. This was first achieved by the construction of a long canal from Merthyr (510 feet above sea-level) to the Taff Estuary at Cardiff. Eventually the Taff Vale Railway replaced the canal barges and massive marshalling yards sprang up as new docks were developed in Cardiff – all prompted by the soaring worldwide demand for coal from the South Wales valleys. At its peak, Cardiff's port area, known as Tiger Bay, became the busiest port in the world and – for some time – the world's
Cardiff Bay Opera House Cardiff Bay Opera House Cardiff Bay Opera House was a proposed centre for the performing arts in Cardiff Bay, Cardiff, Wales, conceived in the 1990s as a crucial part of the Cardiff Bay redevelopment project. One aim of the scheme was to create a new home for the Welsh National Opera company, which was then based in the New Theatre in Cardiff. The Wales Millennium Centre was built in its place and it opened in 2004. The plan, supported by the Cardiff Bay Development Corporation, was to construct a permanent home for Welsh National Opera on a site near the