The light is kind of like a safe haven. All the bumps are mountains and there are little travelers trying to get to the safe haven avoid the darkness that is trying to kill them.
Fartmonkey is really really bored
[spoiler]Holy shit the Flood is so slow I'm going to die.[/spoiler]
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Edited by Citadel Space: 9/17/2014 11:23:00 PMIf you really want to see the darkness move to Australia and then take a similar picture of the ceiling.