the same efficiency can become part of the trick. Shapes that have already been categorized as branches or shadows may need to be reconsidered before the hidden image becomes noticeable. The deer provides an especially powerful visual anchor because it is immediately recognizable as a complete object.
Its body has a clear outline, and viewers do not need much time to understand what they are seeing. Once attention settles on the animal, the surrounding trees and snow can begin to feel like scenery rather than equally important information. The forest
