An interesting image! The composition bothers me a little though, I would rather see more of an all or nothing approach to the shingles. Crop out the distracting top and bottom of the image and I think it would draw more attention to the random patterns. As it stands now, even in the thumbnail, you know what it is. Abstracts need to make you think about what it is exactly you are looking at, not give it away at a cursory glance. Well, seen though, good eye!
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