Michael Portillo in Great British Railway Journeys

Watch until 7th Feb 2014: Michael Portillo continues his journey from Southampton to Wolverhampton beginning today in Chippenham, where at Lacock Abbey he discovers how the world’s first photographic negative was made and learns how to make a print. He travels on to Bristol to visit the Victorian Clifton Zoo, where he finds tigers and polar bears before him also arrived by train, Clifton and Clifton Rocks Railway.