Ключевые слова: adult, area, bag, beautiful, care, charity, child, cleaning, community, concept, daughter, ecology, environment, family, father, garbage, girl, group, happy, kid, lifestyle, man, many, middle age, middleaged, mother, nature, outdoors, park, participate, participating, people, person, picking, public, rubbish, selfless, social, spring, summer, teenager, together, trash, voluntary, volunteer, volunteering, welfare, woman, work, young,