Ключевые слова: adventure, air, anatomy, background, beautiful, breath, breathe, breathing, bronchi, bronchial, calm, care, clean, climate, color, concept, conservation, country, countryside, day, earth, eco, ecology, environment, environmental, fir, flora, forest, free, fresh, green, growth, health, healthy, hills, human, idyllic, inhalation, journey, landscape, mountain, mountains, natural, nature, organ, outdoors, oxygen, panorama, picturesque, plant, pollution, protection, pulmonary, recreation, reforestation, resort, respiratory, safe, save, scene, season, secluded, shape, sky, suburban, symbol, tour, tourism, travel, treatment, tree, trees, trip, vacation, view, voyage, wanderlust, woods,