epa04824164 A demonstrator holds a Greek flag with the word ‘NO’ written on it during a rally in central Syntagma Square, in front of the Greek parliament building, in Athens. Greece, 29 June 2015. Greek voters will decide in a referendum on 05 July whether their government should accept an economic reform package put forth by Greece’s international creditors. Greece has imposed capital controls and the banks will be closed until the referendum is held. EPA/ORESTIS PANAGIOTOU