Mountains created by slate waste. In days gone by 90% of the extracted slate base material was wasted, these days only 10% is wasted.
Revisiting England and Wales: Camping in Wales
Revisiting England and Wales: Camping in Wales
Mountains created by slate waste. In days gone by 90% of the extracted slate base material was wasted, these days only 10% is wasted.
Fred and Bev's Odyssey 
