Contrasting texture of wood and water. I did a number of these at different angles and with different aperture values; I ended up choosing this one because it captured the sun glinting off the water as well. Though I think that I may be able to improve on this... (As you can gather these comments are as much for me as for my revered viewers, if any.)
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Edit September 2023: This has been moved from the former Show & Tell Personal Edition gallery. It was an example of competition 65-Shapes, Patterns, and Textures.