(c) In aerial or atmosphericperspective, the farther away something is the hazier itappears because of fine particles in the air between theviewer and the object. Notice that the shed and grassyarea in the foreground are in sharp focus while themountain ranges are hazy and indistinct. (d) The depthcue of relative size appears in this photograph. Noticethat the flowers in the distance appear much smallerthan those in the foreground. Relative size causessmaller objects to be perceived as farther away fromthe viewer.