LONDON, ENGLAND - AUGUST 05: Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge (C) and Prince Harry walk through an installation entitled 'Blood Swept Lands and Seas of Red' by artist Paul Cummins, made up of 888,246 ceramic poppies in the moat of the Tower of London, to commemorate the First World War on August 5, 2014 in London, England. Each ceramic poppy represents an allied victim of the First World War and the display is due to be completed by Armistice Day on November 11, 2014. After Armistice Day each poppy from the installation will be available to buy for 25 GBP. (Photo by Oli Scarff/Getty Images)
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