LONDON, ENGLAND - MAY 23: Chelsea pensioners walk along an installation comprised of around 300,000 hand-knitted poppies designed by Phillip Johnson at the Chelsea Flower Show on May 23, 2016 in London, England. The prestigious flower show, held annually since 1913 in the Royal Hospital Chelsea grounds, will be open to the public from the 24th to the 28th of May, 2016.  (Photo by Jack Taylor/Getty Images)