The painting has no volume or mass so the painting is just a flat shape. This type of illusion may not have been used very often before, it is believed that Leonardo da Vinci was one of the first artists to use this type of illusion, the illusion is called chiaroscuro. When you first look at the painting, the face and hands are the things that stand out, the yes and the smile is the most important thing. The focal point is the face, looking at the background you see as if everything was focused on the face. In my opinion the smile or the eyes are the specific focal point because for me the smile and the eyes are full of mystery. The landscape might appear if it went towards the face, but which part of the face? This is the question everyone should ask themselves