Ключевые слова: 19, 2019ncov, alert, black, city, closed, concept, corona, coronavirus, covid, covid19, danger, dangerous, disease, epidemic, europe, global, hazard, health, illness, infected, infection, italian, italy, landmark, lockdown, medical, outbreak, pandemic, piazza, pneumonia, prevention, protection, quarantine, restriction, san marco, sars, stay home, tape, tourism, tourist, travel, vacation, veneto, venice, virus, world, yellow,