Alrighty then.
The point has been made and emphasised about the window. Just to keep you happy the window was always supposed to be there from the concept stage of film on McQuarries designs:
Speaking of which, and maybe impossible to do, some of the backgrounds that were originally intended for Degobah look twenty times as creepy as the final film set:
Mutant trees and sort of an Alien queens hive enviroment (complete with mutant spider). Spooky!