Ключевые слова: apocalyptic, architecture, austria, building, center, city, cityscape, corona, corona virus, coronavirus, covid19, deserted, disease, emergency, empty, epidemic, europe, european, famous, flu, ghost town, graz, health, health care, heritage, historic, infection, landmark, no human, outbreak, pandemic, people, prevention, protection, quarantine, risk, roof, schlossberg, sightseeing, square, stay at home, street, styria, tourism, tower, town, travel, uhrturm, urban, virus,