translation.en: Look in the gray areas, and see if you seem to see something sort of shadowy moving in there -- yeah, it's amazing. There's nothing there. It's no trick.
translation.zh: 看这些灰色区域， 你是不是好像看到有些阴影在移动—— 是的！那很神奇。那里没有东西。没耍花招。