Ключевые слова: active, activity, burn, burst, calamity, disaster, drawing, drawn, ecological, ecology, element, elevation, energy, environment, environmental, eruption, explode, explosion, fire, flood, flow, flowing, forest, fume, fuming, green, heat, hill, hot, illustration, knoll, landscape, lava, mountain, mountains, natural, nature, power, smoke, smoking, smoky, stream, summit, top, upland, volcanic, volcano,