Whenever I catch sight of myself wearing a mask as I walk through the deserted streets of Brussels or the empty corridors of the European Commission, I cannot help but be overcome by a feeling of shock. Especially since, no matter where you go and no matter where you are, this sense of shock is palpable. It is palpable on Saint Mark’s Square in Venice – now deserted by humans while the fish return to the waters of the lagoon, which are clear once again. It is palpable in Jerusalem, where the Church of the Holy Sepulchre was shut down on Good Friday for the first time since the 1349 Black Death. It is palpable in the United States, where unemployment has risen by 20 million in four weeks. Lastly, it is palpable in Spain and Italy, where no fewer than 45,000 people had died by the end of April.