Ключевые слова: background, beautiful, boy, care, concept, dad, development, eco, ecology, elderly, energy, environment, family, father, feeling, girl, give, grandfather, green, growth, hand, happiness, happy, holding, human, man, natural, nature, new life, old, outdoors, people, person, plant, power, protection, senior, solar, spring, summer, symbol, take, think, two, unrecognizable, young,