Ключевые слова: abstract, architecture, backdrop, background, block, brick, cement, city, closeup, cobblestone, concrete, design, floor, footpath, garden, grass, gray, green, grey, ground, grunge, material, moss, natural, nature, old, outdoor, pathway, pattern, paved, pavement, paving, paving slabs, road, rock, rough, sidewalk, slab, slabs, square, stone, street, surface, texture, tile, urban, walkway, way, weeds,