A person opening and then walking through a door in an auto garage with machine noises in the background.
A person opening and then walking through a door in an auto garage with machine noises in the background. An ambient, mechanical hum resonates as a door opens then shuts and a mechanical whirring starts. Opening a door to a bus before it drives away. Opening a door to a bus then it drives away. screeching as window is washed, door slams , then vacuum gets louder and then comes to a stop