Ключевые слова: ancient, architecture, background, building, business, city, cityscape, commercial, contamination, coronavirus, covid19, crisis, culture, desert city, desolate, downtown, empty, empty city, epidemic, europe, european, exterior, famous, historical, impact, infection, italian, italian city landscape, italy, landmark, lombardy, metro, metro entrance, metro station, milan, milan italy, milano, pandemic, public, street, subway, tourism, train, transport, transportation, travel, urban, virus,