Watch How We Built Britain online: Episode 6 The South: Dreams of the Future

Twentieth Century was driven by the ideal of progress, and the heart of that movement was in London and the South East. David Dimbleby embarks on a journey that explores how the idea evolved, from the commuter's dream of a house in the suburbs, to the modernist vision of streets in the sky, and the breathtaking scale and ambition of hi-tech building in the City of London.

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