Your DOF is so well done that the only way I can tell it's water is the thin bluish-white line around the edges, denoting water's natural viscosity, and a few areas of transparent blue as well. The variety of shells scattered around the perimeter of the pond, for me, is what really gives it an aquatic look. It's good to see a submission from you, Chris. Been missing the unique way you see the world.
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Your photographic capture of it is marvelous! The colors, textures, and diversity are amazing. Really beautiful! A feast for the eyes.