Ключевые слова: arched, architecture, backdrop, bridge, buildings, center, city, construction, darkness, dom, douro, downtown, drone, dusk, evening, famous, history, illumination, landmark, light, luis, metal, modern, monumental, nature, night, outdoor, panorama, picturesque, ponte, porto, portuguese, reflection, river, riverbank, riverside, roadway, sights, structure, suspension, tourism, townscape, traffic, transport, traveling, urban, view, water,