Penrhyn castle also houses a historic industrial railway museum. There you can see many locomotives, carriges and waggons which were used during the times of the slate boom in north Wales. You can actually read the descriptions on the rear wall.
Wales (Cymru in the Welsh language) is part of the United Kingdom of Great Britain and Northern Ireland. The major cities are Cardiff, Swansea, Newport and Bangor. The city of St. Davids is the smallest city in the UK with a population around 2000. Wales itself has a population of around 3 million. The Welsh language is spoken by around 20% of the population.