Ключевые слова: abstract, architecture, background, block, brick, cement, city, concrete, construction, design, detail, floor, garden, geometric, grass, gray, green, ground, hexagon, hexagonal, lichen, material, moss, mossy, natural, nature, old, outdoor, park, pattern, pavement, paving, pedestrian, plant, rough, row, shape, sidewalk, smooth, stone, structure, surface, texture, urban, walk, wallpaper, way, white,