BEIJING, CHINA - APRIL 22:  Picture dated 22 April 1989 shows several hundred of 200,000 pro-democracy student protesters face to face with policemen outside the Great Hall of the People in Tiananmen Square in Beijing as they take part in the funeral ceremony of former Chinese Communist Party leader and liberal reformer Hu Yaobang during an unauthorized demonstration to mourn his death.  Hu Yaobang's death in April trigged an unprecedented wave of pro-democracy demonstrations. The April-June 1989 movement was crushed by Chinese troops in June when army tanks rolled into Tiananmen Square 04 June.         AFP PHOTO  (Photo credit should read CATHERINE HENRIETTE/AFP/Getty Images)