Ключевые слова: 3d illustration, 3d rendering, air, background, change, chemical, chimney, climate, cloud, concept, contamination, defilement, dioxide, ecology, elimination, energy, environment, environmental, exhaust, factory, fight, flag, global, industrial, industry, korea, korean, manufacturing, nature, north, north korea, peoples, plant, pollutant, pollute, pollution, power, problem, removal, republic, sky, smog, smoke, space, station, steam, technology, warming,