BARCELONA, SPAIN - SEPTEMBER 28:  Students demonstrate against the position of the Spanish government to ban the Self-determination referendum of Catalonia during a university students strike on September 28, 2017 in Barcelona, Spain. The Catalan goverment is keeping with its plan to hold a referendum, due to take place on October 1, which has been deemed illegal by the Spanish government in Madrid.  (Photo by Dan Kitwood/Getty Images)