Great British Railway Journeys

U&Yesterday +1

8:10 AM to 8:35 AM

Wednesday 4 June

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On the next stage of his journey to Wolverhampton, Michael Portillo visits Lacock Abbey near Chippenham in Wiltshire to find out how the world's first photographic negative was made. He then heads to Bristol Zoo, examines an extraordinary piece of Victorian engineering at Severn Tunnel Junction and ends the leg in Gloucester, where he meets a stonemason at the city's cathedral