Ключевые слова: adult, air, black, cap, carbon, center, church, city, cloth hall, cloths hall, copy space, cracow, danger, downtown, emission, environment, environmental, europe, face, female, flu, gas, girl, health, health care, historic, human, krakow, malopolska, mask, mouth, people, poland, pollute, polluted, pollution, prevention, protect, protection, safety, smog, smoke, traffic, unhealthy, urban, wearing, winter, woman, young,