So, where's the Sun on the Moon?

[Nav_Fae]

The reason you only see light sources are:

Elpis is "inside" of a containment area of Amaurot, as a place to isolate all the experimental concepts (critters) being created.
Within are further internal containment areas; The Gates of Pandaemonium (where the really bad critters were kept) and Ktisis Hyperboreia (where critters that are undergoing final evaluation are processed)
Think of it like a really "big" TARDIS

My Bad.... I had mixed up some other lore

The Sun and Moon are visible in Elpis

This raises so many questions. Might be an oversight by the dev team.