A new piece of writing, recorded on location, exploring features of great significance to the landscape, wildlife and psyche of Wales - hills.
Painter and writer Osi Rhys Osmond walks around and up Mynydd Machen, to where spoil from the Risca colliery was hauled more than 1,000 feet up and then dumped. He explores how, as the coal industry disappeared, many such tips were flattened in a three-dimensional airbrushing of history, or possibly because they were too painful a memory. But some were fought for and have remained. He reflects on how the Mynydd Machen tip is being reclaimed by plants, animals and birds - and by people too.