In a few minutes, you will be blasted to the moon in the complete darkness… Or half-darkness. Why? Because there is no light trap. Don’t start to imagine a complex thing coming from Star Wars : it is only an architectural layout.

Image de « Disney Blueprint Page »
If you look closely at the way the guests enter the building, from the main entry or the Fastpass one, you will notice that the layout forces you to make a 90° turn in a covered walkway. It’s this layout that we call a « light trap ». Let me explain : the light can only travel in straight line, and so will be « trapped » in the highlighted zones of the picture below.
