Slow Trains Around Spain - A 3,000-Mile Adventure on 52 Rides

Between soaring mountains, across arid deserts, parched plains and bountiful valleys, down glittering coastlines and along viaducts towering above plunging ravines... there is no better way to see Spain than by train. Tom Chesshyre hits the tracks to take in the country on a series of clattering rides beyond the popular image of holiday Spain.