Mood: Tranquil | Subject: A geometrically perfect arrangement of dried autumn leaves, their edges delicately curled, creating an array of warm, earthy tones on a smooth, polished river stone | Timing: Late afternoon, as the sun begins to dip, casting a warm, golden hue | Lens: Macro | Lighting Conditions: The soft, diffused light casting gentle shadows, accentuating the textures of the leaves | Style: Fusion of autumnal tranquility and abstract geometry | Colors: The vibrant reds, oranges, and yellows of the leaves contrasted with the cool grey of the river stone and the soft golden light | Background: A backdrop of a serene riverside, the gentle flow of water adding depth and tranquility | Perspective: Close-up, capturing the intricate beauty of the leaf arrangement and the smooth, polished stone | Focal Point: The center of the arrangement, where the leaves with the most vibrant hues are gathered | Space: Intimate, emphasizing the delicate beauty of the leaves and the simplicity of the river stone | Pattern/Texture: The rough, complex texture of the dried leaves contrasted with the smooth, polished surface of the river stone | Element defining the scale: A single acorn resting beside the stone, its size providing a sense of the scene's scale | Depth of Field: Shallow, focusing on the leaf arrangement while subtly blending into the peaceful riverside backdrop | Feeling: Reflective and peaceful | Contrast elements: The tranquil scene of a geometrically perfect arrangement of autumn leaves on a polished river stone at a serene riverside during late afternoon, its autumnal tranquility and abstract geometry enhanced by the soft diffused light and contrasting textures, set against the backdrop of a gentle flowing river.