Ключевые слова: abstract, architecture, background, black, block, brick, cobble, cobblestone, construction, decoration, design, exterior, floor, granite, grey, ground, landscaping, lisbon, material, mosaic, old, patio, pattern, paved, pavement, paver, paving, portugal, portuguese, road, rock, sidewalk, square, stone, street, surface, texture, tile, traditional, urban, walk, walkway,