The pillars are near enough copies of the ones in Halo 3, the only difference is that there isn't a metal loop that connects them all.
Their supposedly holographic emitters for the hologram of the ring and planet that it orbits.
I can see if i can edit them a little to add what you suggested though.
Yeah I agree, but as of yet I've not found a opacity slider and the light has a preset style of lighting, solid, flickering or pulsing and for pulsing there isn't one that is fast enough.
I'l see what i can do about adding lights to the ceiling though..