Fred, I really like it. It's an interesting and effective composition that led me from the tunnel entrance to the fountain in the background with interesting buildings on both sides of the street along the way. There is a very, and I mean very slight tilt. So slight that I would have missed it myself, and even if I saw it, most likely wouldn't have bothered to fix it. the tunnel entrance has more then enough detail and old world charm to be interesting, yet not distracting to the rest of your composition. While the sky is light grey, and the fact that I don't see any real bold shadows, I'm assuming that it was basically an overcast day, hence, the cloudy sky.
Nicely composed and exposed. You've come a long ways from those 1st series of pictures.