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Thomas Heatherwick talks to Dezeen editor-in-chief Marcus Fairs about his top-secret design for the cauldron that will hold the London 2012 Olympic flame in this interview filmed at his ongoing exhibition at the V&A museum in London.

In the movie Heatherwick explains how Olympic organisers have tried to escape the shadow of Beijing's spectacular opening ceremony in 2008 by focusing on London's reputation for ideas. Plans for the opening ceremony directed by filmmaker Danny Boyle were unveiled this week and will include 70 sheep, 12 horses, 10 chickens, three sheepdogs and a village cricket team to evoke Britain's bucolic past.

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