Thousands protest in Catalonia for independence from Spain
Catalans voted to split from Spain in referendum that central government deems illegal
Economy of Catalonia closer to Eurozone than Spain (infographic)
No wonder Spain wants to keep region attached to country
Catalonia referendum: Catalans occupy polling stations to protect vote against government crackdown (PHOTOS)
Catalan authorities believe around 60% of the 5.3 million eligible voters will take part in Sunday's vote