Perspective air.
Heaven on earth, and what are the consequences.Another great discovery and a great revival in the work of command a large canvas of two dimensions of perception was that, where watched items away from our eyes changes in their clarity (or sharpness) and color. He described them brilliant artist Leonardo DA Vinci. To change the color determines the air blue. A wide column of air landscape is far above our heads and pay watched every detail of our world. The filling of the landscape are more remote from us, the air layer becomes thicker and the more of these objects misbegotten it. It is easy to note that close to us as we see the intensely green, and the distant, closing the horizon-as begetting. This phenomenon is used by landscape artists maiolica's, called the prospect of air. This perspective is primarily used countless numbers of painters realists. They strive to provide the world according to its actual appearance, such as our eyes register and confirms our experience. Even today, some artists use this way to play on the canvas three-dimensionality.