Must have been a foggy day? This is a very pleasant image, but I think it would benefit by raising the "black level" a little, and also by cropping off some of the white area at the top. Still a nice picture, though.
I love the pastoral aspect of this shot. It makes me feel like heading out to the country this weekend. You might want to have a peek at the Rules of Composition in the "Other Stuff" section of this site.