British Prime Minister Theresa May (2nd R) fixes a poppy to her lapel with Claire Rowcliffe (1st L), Director of Fundraising at the Royal British Legion, WWII veteran Barbara Weatherill (2nd L), and fundraiser Poppy Railton, outside 10 Downing Street in London, Britain, on Oct. 25, 2018. The remembrance poppy is an artificial flower that has been used since 1921 to commemorate military personnel who have died in war. (Xinhua/Tim Ireland)