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: M.Ramirez/Alamy Live News

- Image ID: KC213P

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: M.Ramirez/Alamy Live News

M Ramírez / Alamy Stock Photo

Image ID: KC213P