Aerial perspective of the city of baião with the majestic aqueduct in the background in Baião crossing the Douro river in Portugal

aerial perspective city baiao majestic aqueduct background crossing douro river portugal view magnificent architectural beauty landscape drone sight panorama scenery architecture structure heritage landmark historic engineering monument impressive grand iconic ancient stone arches pillars construction historical riverbank town countryside natural scenic picturesque serene tranquil breathtaking stunning captivating panoramic marine