Ключевые слова: acid, adversity, aging, branch, clouds, concept, condition, dangerous, dark, dead, death, decay, decline, destruction, dice, disease, dramatic, dry, dying, eerie, end, environment, environmental, future, gloomy, gray, grey, health, industry, issues, lifeless, mood, moody, mystery, nature, old, outdoors, plant, plants, pollution, process, rain, religion, sick, silhouettes, spirituality, spooky, storm, struggle, survival, the, threat, trees,