Monroville said:
I think this could work out well; it would be one of the simplest changes and would help the window and building stand out better.
I think we are forgetting the room in which Leia is has a glass roof and hence such a spectacular lightning would be posible for a glass roof, it's not just sun-roof, it's huge, you can see it in the next scene from the inside, the whle roof has glass with sun pouring in....let's not forget that....