Ключевые слова: architecture, background, block, brick, cement, cobble, concrete, construction, coverage, decor, decoration, design, effect, figured, floor, form, game, gray, grey, ground, material, mosaic, outdoor, pattern, pave, pavement, paving, road, rock, rough, scene, seamless, sett, shape, sidewalk, slab, space, square, stone, street, surface, texture, tile, tileable, trefoil, urban, visual, walkway,