Walls, Fortification lines, Border barriers
2 episodes
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Hadrian's Wall
Melvyn Bragg and his guests discuss Hadrian's Wall, the best known and perhaps most impressive relic of the Roman occupation of Britain.
12 July 2012
Featuring: Greg Woolf, David Breeze, Lindsay Allason-Jones
The Great Wall of China
Melvyn Bragg and guests Julia Lovell, Rana Mitter and Frances Wood discuss The Great Wall of China.
29 April 2010
Featuring: Julia Lovell, Rana Mitter, Frances Wood