Ben Robinson unearths the past of Porthgain, Pembrokeshire, built for its industry exporting slate, then brickwork, then finally stone used for the nation’s roads. Show more
Ben Robinson heads to Beer, Devon, home to beer stone, which has been quarried since Roman times and used in many of England's cathedrals and iconic buildings. Show more
Ben Robinson discovers some of the impressive and well-preserved lime kilns in Solva, Wales, and learns how this industry helped feed a growing nation. Show more
