This is a true example of the art of choosing a location/position to snap a perfect b/w shot.
1. The intensity of the light source from outside the room. 2. The precise positioning of the light source in accordance to the door crack. 3. The light beam highlighting the texture of the wooden floor. 4. The light-absorbing tainted glass of the door window tiles. 3. The perfect pose of the model with the head tilted towards the light source.