BARCELONA, SPAIN - OCTOBER 01:  A polling officer opens a first ballot box for counting at Escola Industrial of Barcelona school polling station as the Catalan government holds a referendum vote on October 1, 2017 in Barcelona, Spain. More than five million eligible Catalan voters are estimated to visit 2,315 polling stations today for Catalonia's referendum on independence from Spain. The Spanish government in Madrid has declared the vote illegal and undemocratic.  (Photo by Chris McGrath/Getty Images)