Ключевые слова: arm, background, ball, business, careful, caucasian, concept, conceptual, continent, design, diversity, earth, ecology, electricity, environment, environmental, finger, geographic, geography, global, globe, hand, hold, human, isolated, man, map, nature, out, palm, peace, people, person, planet, preservation, preserve, protection, recycling, safety, save, show, sky, sphere, support, tolerance, travel, travelling, water, white, world,