those same pale areas may suddenly appear essential to its structure. Nothing physically changes in the image; only the interpretation changes.
This moment of recognition is often the most satisfying part of the puzzle. Before discovering the face, a viewer may wonder how anyone could possibly see a person among the trees. Then one feature becomes recognizable, perhaps an eye or the outline of a forehead, and the remaining pieces rapidly fall into place. The image that seemed hidden can become surprisingly obvious within seconds. That sudden transition is one
