change the sky do not change anything in the architecture proportions or forms or materials but adjust the lightning make the sky more expressive and add a grow for the light do not change the direction of the light have the window glasses have beautiful reflections of nature as well write a prompt was that the windows should not be very reflective like mirrors but just subtly make sure that the architectural forms are easy to see the image should not be too dark for the architecture to show yet add some more interesting expresive summer sky with beautiful feather clouds across it have some dramacism in the lightning but not too much the architectural forms should not be hidden by the lightning