Madrid, 1st october, 2017. Hundreds of people are participating in a demonstration of support about the referendum on independence of Catalonia, at Puerta del Sol, Madrid. Catalonia held a referendum on independence today, October 1, although it has been banned by the Spanish Constitutional Court. (Photo by M.Ramirez / Pacific Press)

- Image ID: KC3MD3

Madrid, 1st october, 2017. Hundreds of people are participating in a demonstration of support about the referendum on independence of Catalonia, at Puerta del Sol, Madrid. Catalonia held a referendum on independence today, October 1, although it has been banned by the Spanish Constitutional Court. (Photo by M.Ramirez / Pacific Press)

Pacific Press Media Production Corp. / Alamy Stock Photo

Image ID: KC3MD3