Treherbert, Italy
The Bute Merthyr Colliery, in Treherbert in the Rhondda Valley, was the first colliery to produce steam coal in the Rhondda valley. A trial pit was dug in 1851, and the colliery was closed in 1926.
Listen to the audio guide for Bute Merthyr Colliery Free on WIP — starts by itself when you arrive, even with the screen off