Ключевые слова: backpack, cellphone, city, corona, coronavirus, covid, czech, czech republic, disease, epidemic, face mask, flu, health, health care, hlavni nadrazi, holidays, infection, male, man, mask, new years, pandemic, passenger, passengers, people, platform, prague, prevention, protection, public, quarantine, rail, railways, respiratory, sick, social distance, station, sun, train, train station, transport, transportation, travel, urban, virus, winter, woman,