Catherine, Duchess of Cambridge walks through a poppy field art installation entitled 'Blood Swept Lands and Seas of Red' by artist Paul Cummins, in the moat of the Tower of London, to commemorate the First World War on August 5, 2014 in London, England. By it's completion on Armistice Day 2014 the moat will contain 888,246 ceramic poppies, one for each British and Colonial fatality during World War One.