The movement of a fast-flowing river over rocks can create wonderful abstract patterns, especially if the light is "just...

Ceaseless Flowing

Skokomish River, Olympic National Forest, Washington

The movement of a fast-flowing river over rocks can create wonderful abstract patterns, especially if the light is "just right" as I think it was here.  I selected a shutter speed that would show the movement of the water yet still be fast enough to preserve some detail and not have everything dissolve into a single blur. Photo © copyright by Stephen Penland.