Ключевые слова: architecture, backdrop, background, block, brick, cement, cinder, city, concrete, construction, flagstone, flagstones, foot, footpath, garden, glass, grass, gray, green, home, house, industry, masonry, material, nature, outdoor, park, pathway, pattern, pavement, paving, road, rough, sidewalk, solid, space, stone, street, structure, texture, textured, walk, walkway, wall, way,