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From Buckingham Palace to Trafalgar Square, the venerable old town oozes history and Dickens.
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From Wimbledon to Wembley Stadium to The Dome, a look at the venues for the 2012 London Olympic Games.
At London's Heathrow Airport, the corporate slogan is "Making Every Journey Better". An experienced Border Agency immigration worker says waits of up to three hours have left staff facing public order problems. Channel 4 Europe's Andy Davies reports.