As strict capital controls took root following Prime Minister Alexis Tsipras' surprise weekend decision to call a referendum on international creditors' latest economic proposals, Greece's population tried to fathom the sheer scale of the impact on their day-to-day existence.
Following a breakdown in talks between Greece and its creditors, the country is in the midst of the one of the most acute financial crises seen anywhere in the world in years. It's running out of time to get the money it needs to stave off bankruptcy.
The sense of unease was palpable among the crowds of pensioners who lined up outside bank branches hoping they might open. Many elderly Greeks don't have ATM cards and make cash withdrawals in person, and so found themselves completely cut off from their money.
"I came here at 4 a.M. Because I have to get my pension," said 74-year-old Anastasios Gevelidis, one of about 100 retirees waiting outside the main branch of the National Bank of Greece in the country's second-largest city of Thessaloniki.
Greece's bailout program with its European creditors officially expires Tuesday, meaning the country will not have access to any of the money still available if it doesn't secure a deal.