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Jubilee concert: Thousands picnic at Buckingham Palace

4 June 2012 Last updated at 17:52 BST

A lucky 10,000 people who won tickets to the Jubilee concert in a public ballot were also invited to a picnic in the grounds of Buckingham Palace.

The picnic was put together by Heston Blumenthal, who worked with the Queen's head chef to create a lunch which reflected Britain's heritage.

He told the BBC's Lizo Mzimba what the hamper contained.