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17 February 2013
Last updated at 08:32 ET
The Big Picture: Dalek invasion
Ahead of the 50th anniversary of Doctor Who later this year, the BBC has recreated some of the early series' most memorable moments, including the famous scene of the Daleks crossing Westminster Bridge, from 1964's The Dalek Invasion of Earth. The footage will form part of the anniversary show An Adventure in Space and Time, which looks at the genesis of Doctor Who.
