Ключевые слова: air, black and white, breath, breathe, carbon dioxide, caucasian, concept, contamination, damage, danger, dangerous, dark, dirt, dirty, disaster, dust, ecology, emission, exhaust, eyes, face, female, fog, gas, girl, global, global warming, hazard, haze, health, human, industrial, industry, mask, person, poison, pollute, polluted, pollution, portrait, problem, protect, protection, respiratory, smog, smoke, toxic, trouble, vertical, young,