Ключевые слова: arrows, attractive, beautiful, boxes, caucasian, cleaning, eco, ecologic, ecological, environment, environmental, female, forest, friends, friendship, girls, green, lawn, male, men, nature, outdoors, park, people, plastic, recycle, recycling, resource, responsibility, rubbish, sign, sustainable, symbol, together, togetherness, trash, trees, volunteering, volunteerism, volunteers, waste, women, young adult,