My last challenge entry was in September. Our category was Centered Composition. Per usual, I went one step further with my entry to include a subtext of having a centered mind by stacking rocks along their center of gravity, a zen meditation practice.
1/183 sec, f2, ISO 50
pp: resize, USM, export
On the same day, I shot a second contender. I opted for the above shot because of the multiple interpretations of the challenge theme. I still really like the minimalist approach to the second shot here that also has some of my favorite elements of macro and texture.