An elderly figure sitting thoughtfully in a peaceful study, holding a closed book in their lap facial expression: serene, contemplative, eyes gently focused downward, lips curved in a slight, knowing smile style: Leonardo da Vinci, perspective: close-up, late afternoon, colors: warm browns, soft golds, and muted greens, with sunlight streaming through a nearby window, background: a familiar study with bookshelves, a writing desk with scattered papers, and a pot of herbs on the windowsill. --ar 9:16