This is quite an interesting shot, I like the mechanical aspect. The only thing that I may have done differently here would be to remove the 2 bright green leaves and the stem from the shot. You have a nice industrial abstract here, but I find the bright green to be a tad bit distracting. Very nice shot.
The overcast lighting really punched up the colors. Nice variety in the "pie-shaped" areas. You get an extra point for finding something that most people woukd just pass by without another thought. Minor suggestion: try to avoid the bright objects right on the border (green leaf at botttom and orange/green leaf on right edge). They lead the viewer out of the image. A very minor suggestion - not a point reducer! Nice job.
Nice and simple geometric designs accented by natural materials make for an interesting combination. The green leaves look almost purposefully placed but are a welcome touch as they break up the monotony of the ground pattern.
i like the contrast of the few fallen leaves...almost makes me wish there were more of them. maybe a little oversaturated greens. nice abstract though.