At first glance, it’s just two children on a bench in the snow—but something feels off. A hidden figure, their mother, is blended into the scene.
The illusion tricks your focus on obvious details, while her face is formed by the whole image: tree branches create her hair, gaps form her eyes, and the children with the bench shape her features.
Step back and view it as a whole—once you see her, you can’t unsee it.