translation.en: If you start on the planet and you go up and up and up, it gets colder and colder and colder, until you reach the beginning of the stratosphere, and then an amazing thing happens.
translation.zh: 如果你从地面出发一直往上往上往上 周围会变得愈来愈冷 直到你进入平流层 接下来神奇的事情发生了