Photos with the usage of modern technology. We live in the world of three dimensions, or, in modern language, in 3D-space. Due to the ability of binocular vision we can see objects, feeling their "three-dimensionality." When we look at the world around us, our brains analyze two separate images, which are perceived by our eyes at different angles, and thus, there is the perception of distance and depth. Exactly stereography tries to recreate this illusion of three-dimensional perception.