I did this digital painting as an exercise in design for the Risen Kingdoms. On the world of Ceil , the Temple of Enlightenment keeps caches of quondam artifacts in secure repositories in the deep sky. Fartower is one such repository. The collection of arcane and dangerous items left over from before the breaking of the world is watched over by the Brotherhood of Silence.
Yellow is the temple’s color , and I imagine this ship is a tender that keeps the monastery supplied with provender. The greenish layer in the lower sky is called the Miasma and is the source of plagues and other diseases.