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Storyline & Synopsis

Construction of the Diefenbunker. "A recently declassified film, Nuclear Roof depicts the design and construction of Canada's secret nuclear bunker, engineered to house the federal government in the occurrence of a nuclear attack. Built in secrecy during a 14 month period between 1959 and 1961, the facility became active in 1962 and operated 24 hours a day, 7 days a week, 52 weeks a year for over 33 years. This fascinating engineering feat, now a museum, is open to the public. Take a rare look at how it all began..."