Ключевые слова: activist, altruism, background, bag, bottle, care, catch, charity, city, cleaning, cleanup, closeup, collecting, community, concepts, conservation, ecology, ecosystem, environment, environmental, female, garbage, girl, glove, gloves, grass, hand, human, land, life, manual, nature, park, people, person, plastic, preservation, recycling, rubber, rubbish, spring, standing, trash, unrecognizable, volunteer, volunteering, work, worker, young,