Bethesda, Italy
The Pantdreiniog quarry (also known as the Pant Dreiniog quarry) was a slate quarry within the town of Bethesda in North Wales. It was worked between about 1825 and 1923. It played a significant part in the Penrhyn Great Strike, Britain's longest industrial dispute.
Listen to the audio guide for Pantdreiniog Quarry Free on WIP — starts by itself when you arrive, even with the screen off