What made you choose that location for the return? Why not also in other corners/locations? Looks really sweet I'm anxious to see more! 
 
I think a single pendant somewhere near the center (with most corals under it) would be so cool. The light falloff would look killer I think. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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