Ключевые слова: 3 years, activity, alone, back, boy, building, carefree, casual, cheerful, child, childhood, family, floor, freedom, hall, happiness, human, indoor, inside, interior, joy, kid, life, lifestyles, lobby, male, mall, market, model, modern, motion, offspring, one, people, person, preschool, real, rear, retail, run, runner, running, sales, shopping, son, store, toddler, walk, young,