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Spies Beneath Berlin

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In 1954 nuclear war seemed imminent. Britain and America were desperate for intelligence on Soviet intentions, and MI6 and the CIA initiated one of the most audacious secret operations of the Cold War. They commissioned a top secret 500m tunnel to tap the phone cables of Red Army HQ in East Berlin. This massive undertaking would provide the espionage breakthrough they needed. But the Allies themselves had been infiltrated by a double agent. Was the operation destined to fail? The story of the Berlin spy tunnel is one of the most exciting of the Cold War, and recent declassifications by the CIA have shed new light on what happened.