An election poster of the right-wing Swiss People's Party (SVP) showing three crows surrounding Switzerland and reading in French: 'Open doors for abuse? NO!' is seen in Chavannes near Lausanne, western of Switzerland on January 5, 2009 against an upcoming key referendum on a labour treaty with the European Union. Swiss voters will have to decide to continue the accord and extend it to the latest EU member states, Bulgaria and Romania, in a nationwide referendum scheduled for next February. Getty Images logo Getty Images 41 months ago

An election poster of the right-wing Swiss People's Party (SVP) showing three crows surrounding Switzerland and reading in French: 'Open doors for abuse? NO!' is seen in Chavannes near Lausanne, western of Switzerland on January 5, 2009 against an upcoming key referendum on a labour treaty with the European Union. Swiss voters will have to decide to continue the accord and extend it to the latest EU member states, Bulgaria and Romania, in a nationwide referendum scheduled for next February.