You use light to abstract the scene and go beyond a snapshot, stressing the glowing faces. You bring out human values that tell a story: boredom, a touch of anxiety, loneliness, perhaps. Just a hint of a train window for context. Less becomes more. The image is rich in atmosphere and mood -- it expresses feelings, mood, and atmosphere that anyone can relate to. We don't have to know these children to care about them, Patricia. You make us care about them.