Ключевые слова: alley, america, american, black, campus, central, city, cold, collins, colorado, early, elm, empty, fort, frost, horizontal, mall, morning, nature, new, nobody, nyc, outdoor, park, pathway, pavement, pedestrian, recreation, scenery, season, sidewalk, slippery, snow, snowy, state, storm, tourism, travel, tree, trees, university, urban, usa, walk, walkway, weather, white, winter, york,