translation.en: The question that we wanted to ask was: Could emotion spread, in a more sustained way than riots, across time not just this pair of individuals smiling at each other in the subway car?
translation.zh: 我们想要问的问题是： 情感的传递能否超越 地铁车厢上相互微笑的一小部分人， 而是以比暴乱更持久的方式，长时间地 在更多人之间传播？