translation.en: This is a time-lapse image of that exact same data, but I've color-coded it by type, so you can see the diversity of aircraft that are in the skies above us.
translation.zh: 这是同一组数据被延时观察， 而且我还用颜色把它们区分开， 因此你可以看到我们上空的飞机们是各有不同的。