 Up to two million people may have visited Tiananmen Square on 4 April.First-hand observations of the events in Tiananmen Square on 4 April report that all levels of society, from the poorest peasants to high-ranking PLA officers and the children of high-ranking cadres, were represented in the activities.Those who participated were motivated by a mixture of anger over the treatment of Zhou, revolt against Mao and his policies, apprehension for China's future, and defiance of those who would seek to punish the public for commemorating Zhou's memory.