This is an autostereogram, often called a ‘Magic Eye’ picture. It has an unusual optical property: when viewed correctly a 3D image of the Statue of Liberty appears.

This is an autostereogram, often called a ‘Magic Eye’ picture. It has an unusual optical property: when viewed correctly a 3D image of dinosaurs appears.

This is an autostereogram, often called a ‘Magic Eye’ picture. It has an unusual optical property: when viewed correctly a 3D image of a bird in flight appears.

This is an autostereogram, often called a ‘Magic Eye’ picture. It has an unusual optical property: when viewed correctly a 3D image of a spaceship appears.