Ключевые слова: adventure, architecture, ascent, blue sky, bridge, building, cable car, cityscape, climb, countryside, cultural, design, engineering, funicular, greenery, heritage, hillside, historic, incline, infrastructure, nature, outdoors, panoramic, perspective, porto, portugal, rails, railway, rural, rustic, scenic, slope, steep, steep slope, stone wall, structure, telephoto, tourism, tourism attraction, track, tramway, transportation, travel, urban, vintage,