Here we go, wandering through back alleys again. Window reflections cast on shadowed walls are always interesting. Here, in the shot below, reflected light passes through the bottom of a fire escape to make a somewhat mysterious shadow within the reflection.
These two frames are adjacent in the browser, #146-147. The one below is the first of five variations I tried. First thought, best thought. The one above is the last of five frames. Keep at it until you get it right. The only good rule is to have no rules.