Compositionally - - - very strong for me. My eyes almost are tricked into seeing the slightest zoom effect like I'd get with a slow shutter and changing focal lengths on a zoom lens. Excellent.
------
OK - I just looked again and thought about what was going on after noticing the light spots in the bottom right - - - and realize that you are in the train shooting through a window and it is probably moving. Thus the sense of motion I feel when viewing it. Is that correct?
-----