While making pictures is an art itself, to add a picture into the Picture is accepted as peak in pictorial art. Oleg Shuplyak is an artist applying this masterly. He likes to surprise people with adding visual illusions to his Works and he also achieves it very good.
When you examine his images in detail, you can capture different points from people looking them cursorily. Therefore instead of looking quickly we recommend to progress with with examining.
5. Old Faces
9. Lonely Woman