(masterpiece, best quality, ultra-detailed, photorealistic, RAW photo), full body shot of a Beautiful 30 yo woman with a stunning simile she had very long black wavy hair, (black_hair), large round perfect perky tits, hip length hair, Her hair is long, thick, and a deep raven-black color, styled in loose, voluminous waves that cascade over her shoulders and down her back, framing her face and contrasting sharply with the white snow and her fair skin. She is sitting completely naked in an orange and translucent inflatable river tube. Her body is glistening with water droplets under the bright, direct sunlight. She has perky, round, natural breasts with firm, pinkish-brown nipples and large areolae. Her stomach is flat and toned. She is posed with her knees bent and legs spread wide open, offering a full, uncensored view of her vulva. She has a neatly trimmed patch of dark pubic hair, and her pink labia majora are clearly visible. She is floating down a wide, fast-flowing river with greenish water. The background features a dense, lush green forest on the riverbanks, distant mountains, and a clear blue sky. The shot is taken from a slightly low angle, capturing her joyful, exhibitionistic expression as she looks directly into the camera. Professional photography, sharp focus, incredibly detailed skin texture.