Rendering is excellent.
however, one never sees a building of that kind with such perfection... All the walls need a very slight 'randomness' The edges are too clean and there is a pervasive lack of 'little' details which makes the image scream CG.
I love the image, don't get me wrong, but to make someone with a bit of CG experience go... that's not a photograph? You need to add geometric detail to the edges. Plus a few areas of texture variety.
