Ключевые слова: air pollution, air quality, asthma, biology, breathing, carbon, clean, clean air, clever, conservation, creative, development, disease, eco, eco concept, ecological, ecology, environment, environmental, flora, forestry, gardening, ginkgo biloba, green, green energy, habitat, healthy, human lungs, isolated, leaf, life, lifestyle, lungs, nature, plant, reforestation, respiratory, sick, sickness, surreal, symbol, tree, white background,