12/06/2010 05:12 am ET Updated May 25, 2011

Winston Churchill's Secret Bunker: History Of 'The Citadel' Revealed

London's wartime past is well-documented, as highlighted last month by events to mark the 70th anniversary of the blitz air raids that left great chunks of the city in rubble. So secret was Churchill's bunker, however, that it was never mentioned in official records.

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