Here is another after-image optical illusion. This photo-negative of Margaret Thatcher hides a dark and scary secret. Are you sure you want to know it? If so, look at the image for 30 seconds, and then quickly turn your eyes towards some white surface (wall, piece of paper or something else). Look at it for few seconds, and the image of Margaret Thatcher will accur. The secret lyes inside this new magical image. Can you see the vampire? More afterimage optical illusions: “Jesus”, “Glowing Bulb”, “USA Flag”, “Batman”….
