Warning: Missing argument 3 for write(), called in /www/wwwroot/biwei1.cn/incs/robot.php on line 68 and defined in /www/wwwroot/biwei1.cn/incs/data.php on line 487 1989年6月4日,中国军队的坦克进入天安门广场。Chinese army tanks enter Tiananmen Square on June 4, 1989. Asahi Shimbun via Getty