Ключевые слова: abstract, background, brick, carpet, cement, city, concrete, construction, design, drain, entry, floor, footpath, gangway, grass, gray, green, ground, headway, natural, nature, neglected, old, outdoor, park, pattern, pavement, paving, plate, plates, regular, road, rough, row, sidewalk, square, stone, street, summer, surface, texture, urban, walk, way,