A pensioner sits in front of the main entrance of a National Bank branch as he waits to receive part of his pension in Athens

A pensioner sits in front of the main entrance of a National Bank branch as he waits to receive part of his pension in Athens

A pensioner sits in front of the main entrance of a National Bank branch as he waits to receive part of his pension in Athens, Greece, July 6, 2015. Greeks voted overwhelmingly “No” on Sunday in a historic bailout referendum, partial results showed, defying warnings from across Europe that rejecting new austerity terms for fresh financial aid would set their country on a path out of the euro. REUTERS/Christian Hartmann