As Europe prepared for the Second World War, a challenge presented itself to the men and women of Britain’s museums, galleries and archives: how could they keep their many national treasures safe? From stately homes and slate mines, to castles and prisons, in today’s episode Dr Caroline Shenton explores the race to protect British heritage.

Caroline is an archivist and historian, her new book ‘National Treasures: Saving The Nation's Art in World War II’ can be found here.

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