Ключевые слова: activist, altruism, background, bag, bottle, care, catch, charity, city, cleaning, cleanup, closeup, community, concepts, day, ecologic, ecology, ecosystem, environment, environmental, garbage, girl, glove, grass, hand, help, human, land, litter, male, manual, nature, outdoors, park, people, person, plastic, pollution, protective, recycling, save, spring, standing, trash, up, volunteer, volunteering, work, worker,