Ключевые слова: 2019ncov, alcala, architecture, black ribbon, capital, city, cityscape, community of madrid, comunidad de madrid, coronavirus, corononavirus, covid, covid19, disease control, downtown, empty, empty road, epidemic, europe, european, gate, infection, landmark, madrid, memorial, memory, mourning, outbreak, outdoor, pandemic, prevention, public health, puerta de alcala, quarantine, sky, spain, spanish, street, symbol, tourist attraction, travel, urban,