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In the last of this series Tom Holland and Iszi Lawrence look at the stories around another line in history - battle lines. From the fable of the Nazi invasion across one of Britain's oldest battle lines on Suffolk's beaches, through Thucydides and on to cross-dressing soldiers across the ages.

Presenters: Iszi Lawrence and Tom Holland\nProducer: Alison Vernon-Smith\nSeries Editor: Simon Elmes\nA Pier production for BBC Radio 4