Former Greek Finance Minister Yanis Varoufakis reacts during a parliamentary session in Athens, earlier this week. In an interview with the BBC, Varoufakis said reforms in exchange for new bailout money "will fail." Christian Hartmann/Reuters/Landov hide caption

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Greek Finance Minister Yanis Varoufakis walks toward his motorcycle following a meeting with Prime Minister Alexis Tsipras in Athens, Greece, on March 15. Varoufakis said Monday he was resigning, a day after Greeks voted to reject terms of a bailout imposed by Greece's creditors. Varoufakis was one of the leading campaigners behind the "no" vote. Pantelis Saitas/EPA/Landov hide caption

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Greece's Prime Minister Alexis Tsipras prepares for a TV interview at the State Television in Athens on Monday. He urged Greeks to vote "no" in Sunday's referendum on the terms of a bailout. Thanassis Stavrakis/AP hide caption

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Pensioners, who usually get their payments at the end of the month, wait outside a closed bank in Thessaloniki, Greece, on Monday. Greece's government announced capital controls, and the country's banks remained closed Monday. Giannis Papanikos/AP hide caption

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People stand in a line to use the ATMs of a bank in the northern Greek city of Thessaloniki on Saturday after the country's prime minister announced a snap referendum on an international bailout — pushing Athens toward a Tuesday deadline for a plan to prevent default on its IMF debt. Giannis Papanikos/AP hide caption

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Ada Colau (center), leader of the Barcelona en Comú party, celebrates in Barcelona during a press conference following the results in Spain's municipal and regional elections on May 24. She is the first member of Spain's indignados protest movement to win public office. Quique Garcia/AFP/Getty Images hide caption

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People queue to use an ATM outside of a Laiki Bank branch in Larnaca, Cyprus, on Saturday. Many rushed to cooperative banks after learning that the terms of a bailout deal with international lenders includes a one-time levy on bank deposits. Petros Karadjias/AP hide caption

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In June, people in Madrid came to a distribution center where those in need could get food. Javier Soriano /AFP/Getty Images hide caption

itoggle caption Javier Soriano /AFP/Getty Images