Impossible People and Animals: these can be silly or sublime, depending upon the subject, but almost inevitably result in a confused double-take. We all know what people can and can't do, how they are built, what the limits of the human body are, yet some images challenge the brain,create illusions and Cool optical illusions video The Art of Juxtaposition: a set of objects, people and/or animals behaving normally independently can take on a new life entirely when properly juxtaposed in a picture. What might seem like very ordinary behavior, from grabbing a magazine to stretching for a job, can take on a new and strange meaning when captured on film from just the right angle." Optical Illusion More Floating Ball Illusion