
Prompt
A real photograph in the environmental genre, captured on a full-frame digital sensor with a 35mm lens at f/8 for deep contextual sharpness front to back and fine natural grain. A single broad late-afternoon sun key from high camera-right slants downward, settling into soft lengthening shadows with gentle ground-bounce lift in the shade, finished in a warm natural grade with lifelike colour and clear airy midtones.
Wide 16:9 frame. A single small periwinkle sea snail with a dark grey conical shell about the size of a fingertip, a marine snail and not a garden snail, crosses a wet rock bridge between two water-filled hollows at the edge of the same granite tide pool: a rounded basin of dark granite with a barnacle-crusted left rim, a pale green weed shelf along the back and a bed of pebbles and shell fragments, leaving a faint trail on the glistening stone, with the basin, weed shelf and barnacled rim stretching behind it under soft overcast light. No people, hands, text or objects made by people appear anywhere.







