What were you doing whilst the Soviets secretly mapped the world?After the collapse of the Soviet Union an astonishing treasure trove came to light. Borimir Totev talks with life-long map collector and co-author of 'The Red Atlas: How the Soviet Union Secretly Mapped the World', John Davies about the hundreds of thousands of Soviets maps showing in chilling detail countries and cities throughout the world.This podcast episode was edited and produced for Pushkin House by Borimir Totev.