From the Great Wall of China to the Berlin Wall, history is littered with the building of barriers aimed at keeping people out, and sometimes in. Do they work? Are they ever a good thing? Tom Holland and Dominic Sandbrook climb walls and explore borders as they investigate the history of separation. A Goalhanger Films & Left Peg Media production Produced by Jack Davenport Exec Producer Tony Pastor Twitter: @TheRestHistory @holland_tom @dcsandbrook Email: firstname.lastname@example.org See acast.com/privacy for privacy and opt-out information.