Michael Portillo continues his journey from Pembroke Dock to Cambridge. En route, he learns about the Victorian signalling system still in place today. Show more
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Michael Portillo continues his journey from Pembroke Dock to Cambridge. En route, he learns about the Victorian signalling system still in place today. Show more
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
