View of empty street in Central Madrid. Sacramento street in historic centre in Madrid de los Austrias quarter. Habsburgs, No People, Palacio, architecture, background, barrio, building, capital, central, centre, centro, city, cityscape, confinement, coronavirus, culture, day, downtown, europe, european, history, landmark, old, outdoor, outdoors, pandemic, quarantine, quarter, scene, social distancing, spain, spanish, tourism, tourist attraction, travel, urban