COMPOSITION
You have definitely met the challenge. I think that it is effective how the lines start on the upper and lower left and proceed down and through the frames. It really gives the eyes a nice path to follow.
TECHNIQUE
The picture seems to be a bit hazy to me. Not from lack of focus or anything, just not real clear and distinct. Perhaps it was the time of day that you were shooting?? Also, I think the overexposed parts in at the end of the reflection are a little distracting. Could you have shot from the other end, or at another time of day?
OVERALL EFFECT
You have definitely achieved a symmetrical shot, and one that is very interesting. I found myself looking at both halves to see which was "real" and which was the reflection. Good work.
Such an eye catching shot. Although the balance seems to be thrown to the left a bit since there is not tree on the right and the top line flows to the left, I can appreciate that this was probably not possible to get perfect. You'll be getting a high vote from me none the less.
Totally surreal, what is this mysterious wall? polished granite? Glass? I would have ranked it higher, but I keep thinking of the vast potential this prop has. What about shooting at night with an illuminated subjects at varying distances from the wall. Nice photo, good composition, meets challenge 7.