In rainstorm, the wind moves in a whirlpool, and the sound of plastic bags, umbrellas and raindrops rubbing on the ground enhances the presence of these two objects on the street. After the rain, there is still the sound of raindrops splashing on the ground after a rainstorm. After the rain, the puddles on the road intensified the sound of people walking, and the sound started to have a sense of stickiness. The residual raindrops rolling from the leaves make the sound of colliding with the ground, and the bright red sunset gradually appears. The tone shifts to a warmer atmosphere.