Vietnam war protest Young demonstrators lie on the road in Grosvenor Square . London , feigning death at the start of a six-hour demonstration outside the American Embassy against the Vietnam War . The demonstrators with anti-war slogan placards placed at their sides , had pinned on them a large white card , with the name of an American killed in Vietnam . On the curbside (centre-left) is a coffin into which the cards were dropped and which later will be presented to the embassy . 15 November 1969 London