A woman with long flowing silver-grey hair, waist-deep in a calm swimming pool, elegant pose with arms raised adjusting her hair, looking slightly to the side with a serene facial expression, centered medium shot, 50mm prime lens, f/3.2, sharp focus on the subject, perfectly mirrored reflection in the glassy dark water surface, luxurious tropical resort environment, background filled with lush green palm trees, dense exotic foliage, and rustic wooden villas with thatched roofs, soft diffused natural lighting from an overcast sky, natural highlights on wet skin, dark teal water, muted earthy greens and warm browns, high-fashion editorial mood, shallow depth of field, realistic textures, 8k resolution, cinematic resort photography