Macro Photograph of Wet River Pebbles

top-down macro photograph of a dense bed of wet river pebbles and small stones filling the entire frame, varied rounded and irregular shapes, glossy rain-soaked surfaces with tiny water droplets and reflective highlights, dark charcoal gray basalt stones mixed with lighter speckled granite pebbles, high detail natural stone texture, no visible ground, edge-to-edge repeating pebble pattern, realistic documentary texture photography, sharp focus across the frame, diffuse overcast daylight, subtle contrast, cool monochrome gray palette, tactile rugged surface