This has a real cool Moebius look to it, very nice. I agree with Mr Android, it lacks tension, yet you're close, keep at it and you'll be forced to make a tutorial for the rest of us
I think you really should continue this style of yours! I don't like the lightning of many, many 3D works but you reached a remarkable atmosphere! It has, in my opinion, problems with composition though. It lacks... drama! (And Blame my English teacher.)