Marking the centenary of the the beginning of the First World War (WW1) in 1914, ceramic poppies created by artist Paul Cummins, recreate a river of blood emergng from a corner of the Tower of London. Remaining in place until the date of the armistice on November 11th. Across the world, remembrance ceremonies for this historic conflict that affected world nations, London saw many such gestures to remember the millions killed in action at the beginning of the 20th century.