Nice explanation @velimir. The way you do the description gives a total picture of what you wanted to achieve and your creative thinking is admirable. The location is perfect and i must commend you for taking your time to look for such.
The windows in a window is a good one. How did you manage to get that. Pls Get back to me on this. :)
I would love to see inside although the light from above makes it look as if that is a room and there is probably a hole at the top. Any way dont know how you pulled that off but its really amazing. More grease to your elbow