Where is the billboard in The Great Gatsby?

The area connecting the two Eggs is described
byas a place of industrialization that he dubs the "valley of ashes." The first time
the billboard of Doctor T. J. Eckleburg is seen is in , as it rises above the bleak landscape.
The billboard stands in sharp contrast to the gray landscape with "powdery air"; its
gigantic blue eyes are rimmed with enormous yellow spectacles. This colorfulcan be combined to
form the color green, which is symbolically used as the color of the light at the end of 's
dock.

The billboard is enormous, so although it stands in the "valley of
ashes," it can be seen from various points in the Egg. In fact, severalgaze upon the eyes
throughout the story, and the eyes seem to see and judge all of the evil they engage in. These
eyes come to represent a type of God-like consciousness, reflecting the inner turmoil of the
characters. Thus, the gray and bleak background where the billboard stands comes to symbolize
the discord and darkness of the character's decisions.

The billboard stands
between the Egg of old wealth and the Egg of new wealth, showing that both will be judged for
the flaws in their character.