Twenty years ago this week, Qi Zhiyong was in Beijing's Tiananmen Square the night Chinese soldiers fired on student protestors who had occupied the square for nearly two months.
Qi recently agreed to let ABC News accompany him on his first trip back to the square since the night that changed his life.
"The tanks just ran into people," Qi recalled. "I saw a person's head crack open, and he fell back, dead."
Qi was not a student then but a construction worker who had come to the square to...Full Story