Monocular Depth Cue: Linear Perspective

Circled in this shot is an example of linear perspective. From where my avatar stands, you can see the defined lines of the base of this building. However, as the building expands out towards the sea, you notice a "vanishing point" or an area where you can no longer clearly define the objects dimensions. The object also looks significantly smaller the further away it is from the avatar, despite being the same size.