Ключевые слова: cityscape, concept, cough, design, dust, dust cloud, ecological, ecology, ecology concept, emission, emitting, environment, environment pollution, face mask, factory, gas, group, health, health care, human, illness, illustration, industrial background, industry, male, mask, people, person, pm 25, pm 25 dust, pm 25 mask, pm 25 smog, pollution, prevention, problem, protection, protective mask, sick, smog, smoke, two, vector air pollution,