Duke And Duchess Of Cambridge And Prince Harry Visit Tower Of London's Ceramic Poppy Field [Getty Images]

LONDON, ENGLAND - AUGUST 05: Catherine, Duchess Of Cambridge visits the Tower of London's Ceramic Poppy Field at The Tower Of London 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. (Photo by Stuart C. Wilson/Getty Images)

Getty Images News Stuart C. Wilson