i like the abstract nature of the composition, the balance of lines, but I am not so fond of the color, specifically the tone -- it screams fluorescent ligghting to me, which gives me headaches in real life. Maybe one way to bring out the structure and solve the color problem would be to go black and white with this picture.
my goal is to comment on every photo in this challenge..heres urs..good luck.. unique view here but it looks to have a little too much sharpening(slight halos)
Great subject. I like the reflective nature of the metal here.
I think this would be an excellent shot for B&W and added contrast. The crop is a bit much on the bottom escalator. You might want to try to include a wider span of the second set of "steps".
Also, your photo is a a bit small overall - using the full amount allowed by DPC would increase the drama.