In this video, a woman is seen walking into a room and closing the door behind her. She is wearing a white lab coat and glasses, and she appears to be speaking to someone off-camera. The room she enters has a green door, and there is a sign on the wall that reads "Dear microscopists, Always register for usage of the microscope! Always close the door!". The woman continues to speak as she moves around the room, gesturing with her hands. The video is shot in a vertical format, and the lighting is bright, illuminating the woman and the room she is in.