Four Million People Are Expected To Visit The Poppies At The Tower of London

LONDON, ENGLAND - OCTOBER 30: Visitors view the 'Blood Swept Lands and Seas of Red' installation at Tower of London on October 30, 2014 in London, England. The installation by artists Paul Cummins and Tom Piper will eventually consist of 888,246 ceramic poppies - representing each of the commonwealth servicemen and women killed in the first world war. (Photo by Carl Court/Getty Images)