Ключевые слова: autumn, city, cold, covered, danger, dangerous, day, empty, environment, fall, first, freeze, fresh, frost, frosty, frozen, ice, icy, landscape, nobody, outdoor, outside, overcast, park, pedestrian, railing, season, slick, slip, slippery, snow, snowfall, snowy, staircase, stairs, stairway, steps, up, urban, way, weather, white, winter,