Cardiff To St David's (S03E04)

Neil uncovers the fascinating story behind how a beach earned the title of the 'fastest place on earth' eight decades ago. Meanwhile, Mark investigates how Swansea's dominance in the copper industry played a crucial role in enabling Nelson's triumph at Trafalgar. On the coast, Miranda interacts with dolphins nurturing their young, while Alice takes to a dredger to explore the extent of sand consumption in the area.