Mood: Serene | Subject: A geometrically perfect formation of pebbles stacked meticulously on the edge of a calm lake, their smooth surfaces glistening in the sunlight | Timing: Noon, with the sun at its zenith, casting minimal shadows | Lens: Wide-angle | Lighting Conditions: The bright, direct sunlight illuminating the pebbles, bringing out their subtle textures and colors | Style: Fusion of serene natural beauty and abstract geometry | Colors: The muted browns, greys and whites of the pebbles contrast beautifully with the deep blues of the clear lake and the vibrant greens of the surrounding foliage | Background: A tranquil lake seamlessly merging with the clear blue sky at the horizon, its undisturbed surface adding depth and peace | Perspective: Eye-level, capturing the captivating spectacle of the stacked pebbles against the lake backdrop | Focal Point: The topmost pebble, its smooth surface most reflective under the midday sun | Space: Expansive, emphasizing the grand scale of the lake and the serene beauty of the midday | Pattern/Texture: The smooth, rounded pattern of the pebbles contrasted with the liquid texture of the tranquil lake | Element defining the scale: A detailed leaf floating near the pebble stack, its size providing a sense of the tranquil scene's scale | Depth of Field: Moderate, focusing on the pebble stack while subtly blending into the serene lake backdrop | Feeling: Tranquil and balanced | Contrast elements: The serene scene of a geometrically perfect formation of pebbles stacked on the edge of a tranquil lake at midday, their natural beauty and abstract geometry enhanced by the bright sunlight and contrasting textures, set against the backdrop of a peaceful, sunlit waterscape.