During winter, Iolo finds himself in blizzard conditions on the Black Mountains, foxes survive in an emptied reservoir below the Beacon’s highest peak, Iolo meets canal repairers, a traditional hedge layer, a winter visitor from Russia also known as the ‘butcher bird’ that catches its prey and impales them in a ‘larder’ for storage and later feeding, Wales’ only wild red deer herd, the tallest waterfalls in southern Britain, the deepest cave systems in Europe and a horse woman leading timber