Ключевые слова: 2019ncov, air pollution, black, climb, corona virus, coronavirus, covid, covid19, disease control, editorial, epidemic, escalator, european, face, face mask, flu, gloves, health, infection, mask, medical, metro, metropolitan, monochrome, moscow, pandemic, passenger, people, photo, platform, protection, protective, public, public health, public transport, respiratory hygiene, russia, social distancing, station, subway, train, transmission, transport, transportation, traveling, traveller, underground, urban, virus, white,