skyline of Oporto at dusk with vibrant hues of orange and pink reflecting off the Douro River, historic buildings and Baroque churches standing tall amidst modern architecture, warm streetlights illuminating the cobblestone streets and alleys, with a few sailboats and traditional Rabelo boats docked in the foreground, the sky transitions from blue to purple with the sun dipping below the horizon, casting a golden glow over the entire scene, showcasing the unique blend of medieval and contemporary elements that define the city's landscape.