Ключевые слова: big tree, bright, carbon dioxide reduction, chlorophyll, clean, clean energy, ecology, energy, environment, environmental problems, environmental protection, faith, forest, forest bathing, forest protection, fresh, fresh green, garden, ginkgo, global warming prevention, green, healing, health, japan, landscape, leaf, light, looking up, natural energy, nature, negative ion, park, photosynthesis, plant, qigong, recreation, refreshing, regeneration, relaxation, religion, sacred, sunlight, tree, vitality,