Helluva scene, helluva leaden sky. I so, so wish the dog were left or right foreground instead of centered :-( He's MAKING me look at him, and he's not the true subject here.
At first glance this looks like a rather simple image. But when you start looking around: a part from 1 thing there always 1 mill which has something different then the other 3. I would list them, but this would become a long comment.
I just have an obsession with everything old, and those windmills, or turbines, are just amazing and really make this image work well, love the way you PP it as well, and extra points for the pooch!