Who Flattened the Sun?

When Yang Yifan woke up, he found that the world seemed different. The clerk in the supermarket speaks like a human machine; the cars on the road move slowly and lightly, as if they will be blown away by the wind at any time; the buildings on the street can be seen from one side, but disappear out of thin air when walking to the other side. At the same time, the news reports about the discovery of some strange creatures and strange events around the world. "What happened?" Yang Yifan felt that today's sunshine was particularly dazzling. He looked up at the sky, only to see that the sun had turned into a picture, like a watercolor graffiti in a primary school picture book, with bright colors. "Who? Who flattened the sun?" [Science Fiction Suspense] + [Time Travel] + [Infrastructure] + [Black Technology]