Create a photorealistic image of a cheetah sprinting through a sunlit savannah, with dry grass and acacia trees adding depth to the scene. The cheetah's fur, with its distinct spots, should be meticulously detailed. Utilize cinematic lighting, ultra-high resolution, extremely detailed textures, and photorealism. Render the image in 8k resolution, capturing every intricate detail and creating a true masterpiece. The cheetah's focused eyes should reflect speed and agility