Ключевые слова: bin, bottle, bottles, box, boy, care, caucasian, cheerful, child, children, container, domestic, earth, eco, ecology, education, environment, environmental, fun, garbage, girl, green, happiness, happy, household, kids, little, paper, planet, plastic, protection, recycle, recycle box, recycling, responsibility, reuse, save, school, separate, separately, smile, smiling, sustainable, trash, waste, water, young, youth,