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Concretopia: Rebuilding Britain

21 November 2013 Last updated at 23:31 GMT

Author John Grindrod set out to discover how blitzed Britain became a space age land of concrete and steel.

He has travelled around the country studying post-war architecture and charts his journey in the book Concretopia.

He showed the BBC's Nick Higham around one particular project, London's Barbican.

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