Installation in the moat at the Tower of London of 888,246 poppies, in commemoration of the British and Commonwealth dead during World War I. The ceramic poppies were "planted" by volunteers over many weeks -- the first being planted on the day that WWI broke out and the last on Armistice Day (November 11). I was there in early September -- about 1/2 way through the installation. By the weekend leading up to Armistice Day, the crowds were so thick that it was hard to see into the moat, which was by then solid red.