Seeing Mao in a crammed Tiananmen Square, he says, “We didn't even have to walk. We were just carried along by the crowd. You would lose your shoes unless you tied them on with string.” Zhu reminisces about these days, despite the fact that a few years after he saw Mao speak in Tiananmen, Red Guards beat his father to the point of permanent nerve damage. For Zhu, it was a test of his revolutionary faith, and he passed.