realistic, high-quality healthcare advertisement, human lungs-shaped outline as the main frame, inside the lungs is a vibrant lush green forest, bright soft sunlight filtering through trees, senior man walking into the forest, viewed from behind, realistic perspective, photorealistic details, serene, hopeful, clean atmosphere, soft mist, dreamy vibe, highly detailed, cinematic lighting, intricate forest path, front view of lungs, medical theme --stylize 250
