Ключевые слова: adult, agriculture, baby, background, biology, bright, care, cheerful, child, concept, day, design, development, environment, environmental, environmental conservation, forest, fragility, gardening, giving, global, green, growing, growth, hand, happiness, holding, human hand, leaf, left, life, lifestyles, light, nature, new, new life, nurture, outside, people, plant, protection, seed, seedling, social issues, spring, springtime, start, symbol, tree, yellow,