A photo-realistic 3d rendering of an empty room with light-colored walls and tiled floor, featuring a closed door on the right side and a small window on the left side. the room is well-lit with a skylight above, casting soft shadows on the walls and floor. the walls are painted in a neutral color, and the floor is made of light grey tiles. the door is closed, with a silver handle and a silver lock, and there is a window above it, letting in natural light that illuminates the room. the overall atmosphere of the image is clean and minimalistic, with no visible signs of wear or tear.