Ключевые слова: above, abstract, background, block, brick, cement, city, climate, cobble, cobblestone, cold, concrete, floor, footpath, footprint, frost, frozen, ground, ice, icing, outdoor, outside, overhead, patio, pattern, pave, pavement, paving, rectangle, road, roadway, rock, salt, sidewalk, slabs, snow, snowy, square, stone, street, surface, texture, tile, top, urban, view, walkway, weather, winter,