Eden 3

Eden 3 is a metropolis inhabited exclusively by robots, their human creators long since dead.

Description
A massive cubic structure, Eden 3 towers above the landscape of cultivated greenery, even having an entire forest growing atop it. Given the right light however, it is almost unnoticeable, being encased in reflective glass. Within the structure is an entire metropolitan center inhabited by a large variety of robots.

Culture
Eden 3 has a certain degree of mythicism applied to their ancient creators, humans, some believing them not even to be real. That a culture and difference of thought exists is also indicative that the robot inhabitants are not all subservient or uniform, but rather possessed of personalities and individualism, resulting in a very human-like society.

Central also to the culture of Eden 3 is an obsession with maintaining the environment, not encroaching upon it, and maintaining an equilibrium between technological excellence and environmental health. This attitude and stark difference in methodology, as opposed to ancient humanity's, likely informs the general negative zeitgeist with regard to humanity.

Trivia

 * Eden 3's design was created by lead concept designer Christophe Ferreira, who, having read the script in advance, thought a reflective cube would be more original and true to the source materiel.