A Chinese security guard gently tries to move a weeping young woman away from the ornate entrance to the Chinese Communist Party headquarters, Zhongnanhai, early on Wednesday, April 19, 1989 in Beijing. University students converged on Zhongnanhai after demonstrating in Tiananmen Square all day on Tuesday. The students tried to storm the gate, but were fought back by Chinese security. (AP Photo/Mark Avery)

A Chinese security guard gently tries to move a weeping young woman away from the ornate entrance to the Chinese Communist Party headquarters, Zhongnanhai, early on Wednesday, April 19, 1989 in Beijing. University students converged on Zhongnanhai after demonstrating in Tiananmen Square all day on Tuesday. The students tried to storm the gate, but were fought back by Chinese security. (AP Photo/Mark Avery)