vibrant rainbow arching over a sunrise and misty hills

idyllic setting ambient lighting artificial intelligence artistry atmospheric phenomenon cloud patterns color gradient spectrum dawn digital art dramatic sky environmental aesthetics ethereal mood generative golden hour hills horizon line landscape design light refraction lush valleys misty morning glow natural beauty outdoor wonder panoramic view pastoral radiant rainbow rolling hillsides rural scene scenic serene nature sunbeam sunlight sunrise moment tranquil atmosphere vibrant colors visual spectacle vivid imagery weather event arching hills