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
Producer: Alison Vernon-Smith
Series Editor: Simon Elmes
A Pier production for BBC Radio 4