Where the Designers Went

Who are we, who walk these gilded halls in search of our former selves? Whose ghosts must we disturb to learn what they forgot?

The Designers were once here. Now they are not.
Their echoes we still hear. Within their halls we trot.
We are their creations. They left divided nations.
Of this we aren't aware: how many factions were there?

Rated Teen because sex is mentioned.