Looking out the window seeing continuing(angled) walls in it (possible to fix?)

[candyman64]

My question is very simple I have the window (screnshots below) when I look throu ir standing on either side before the window (Not centered) I can see the walls of the hall way continuing into the "sky" is there any way to fix it without editing the walls? Their angled,,thanks

[DeetOpianSky]

Lower the ceiling of the sky to/below the window.

[candyman64]

the walls that I can see isn't angled*sorry,, the walls adjacent to the window is

[candyman64]

That's smart THANKS A lot