Electoral workers prepare ballot boxes in a warehouse in Thessaloniki, Greece, on July 2, 2015, ahead of Sunday\'s economic referendum. (credit:AFP/Getty Images/Sakis Mitrolidis)
(02 of09)
Open Image Modal
Municipal workers carry ballot boxes into a warehouse in Athens, Greece, on July 2, 2015, in preparation for the upcoming referendum. (credit:AFP/Getty Images/Angelos Tzortzinis)
(03 of09)
Open Image Modal
Ballot boxes for the upcoming referendum are stored in a warehouse in Athens, Greece, on July 2, 2015. (credit:AFP/Getty Images/Angelos Tzortzinis)
(04 of09)
Open Image Modal
Municipal workers carry ballot boxes into a warehouse in Athens, Greece, on July 2, 2015, in preparation for the upcoming referendum. (credit:AFP/Getty Images/Angelos Tzortzinis)
(05 of09)
Open Image Modal
Electoral workers prepare ballot boxes in a warehouse in Thessaloniki, Greece, on July 2, 2015, ahead of the upcoming referendum. (credit:AFP/Getty Images/Sakis Mitrolidis)
(06 of09)
Open Image Modal
Municipal workers store booths in a warehouse in Athens, Greece, on July 2, 2015, in preparation for the upcoming referendum. (credit:AFP/Getty Images/Angelos Tzortzinis)
(07 of09)
Open Image Modal
An electoral worker walks between ballot boxes in a warehouse in Thessaloniki on July 2, 2015, ahead of the upcoming referendum. (credit:AFP/Getty Images/Sakis Mitrolidis)
(08 of09)
Open Image Modal
Youths chant slogans supporting the \"no\" vote for the upcoming referendum in Athens, Greece, on July 2, 2015. (credit:AFP/Getty Images/Louisa Gouliamaki)
(09 of09)
Open Image Modal
A man passes out a leaflet reading in Greek \"Vote NO in the referendum, Down with the EU\" in Athens, Greece, on July 2, 2015 (credit:AP Photo/Petros Karadjias)