Prompt: An empty room with white walls. In the middle of the room is a bed with white sheets and pillows. The entire room is filled with a hazy atmosphere, and visual images of virus molecules and smog are floating in the air, as if they are wandering around the room. There are some photos hanging on the walls, and a chair in the corner. High-definition image, high-quality photo, detailed visualization of virus molecules and smog, empty room, lonely atmosphere, gloomy mood, virus pandemic theme.