An anti-government protester in Beijing holds a rifle in a bus window, June 3, 1989. Pro-democracy protesters had been occupying Tiananmen Square for weeks; hundreds died that night and the following morning in clashes with Chinese troops. (AP Photo/Jeff Widener)

An anti-government protester in Beijing holds a rifle in a bus window, June 3, 1989. Pro-democracy protesters had been occupying Tiananmen Square for weeks; hundreds died that night and the following morning in clashes with Chinese troops. (AP Photo/Jeff Widener)