Ключевые слова: activity, bags, charity, cheerful, child, childhood, children, cleaning, diverse, diversity, eco, ecological, ecology, education, educational, elementary, environment, environmental, ethnicity, forest, friends, friendship, garbage, girl, green, kid, learning, little girl, offspring, outdoors, park, participation, people, person, pick up, public, recycle, reuse, rubbish, selfless, sorting, studying, togetherness, voluntary, volunteer, welfare, yellow, young,