Image: Lucy Chippindale
A rusty pipe snakes through this section of the mine.
Garth Hill, in Cardiff, Wales, is part of the South Wales Coalfield region, an area rich in coal deposits and, in some parts, iron. For many centuries, people have been exploiting this fact. The nearby village of Pentyrch, for example, was once a Roman camp, the Romans having been attracted to Britain by its rich mineral deposits. However, even before their arrival, there is evidence that there was small-scale mining around Wales.