The siren sound that time was sharp and long, like a needle stuck in the ear and unable to be pulled out. Everyone on the street was stunned for half a second, and then exploded at the same time. Some people were screaming, some people lost their bags and ran away, and some people took out their mobile phones to make calls - they couldn't get through, the signal was cut off. A young mother rushed out of the nearby fruit shop with her child in her arms. The apples were scattered all over the floor. Cars in the middle of the road began to swerve, rear-ended and collided.
Lu Yuan remembered leaving his electric car on the side of the road and running in an unknown direction following the flow of people. He ran a few hundred meters, and then suddenly it was light.