Ключевые слова: atmosphere, autumn, care, climate, cold, color, danger, drive, ecology, environment, environmental, fall, fight againt pollution, flora, forest, green, harmful, health, hoarding, hydrocarbon, india, indian tree, kolkata, landscape, leaf, leaves, life, morning, natural, nature, outdoor, park, plant, polluted, pollution, revolution, season, seasonal, stop pollution, sun, sun ray, sun rays, texture, tree, warming, weather, winter, winter mood, winter morning, winter picture,