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 Barrage the scheme. In the event, no such event took place. On 1 March 2000, the day scheduled for the ceremony, the National Assembly of Wales announced that there would be no special ceremony held to mark the project. In place of an official Royal inauguration of this massive civil engineering scheme, the largest of its kind in Europe, a modest ceremony was arranged by Cardiff Bay Development Corporation at which a former Lord Mayor of Cardiff, Councillor Ricky Ormonde (who had served as Lord Mayor in 1994) officiated along with Alun Michael Labour and Co-operative MP for Cardiff South and