Officials unveiled an ancient road found during construction of Thessaloniki's new subway system Monday. Nikolas Giakoumidis/AP hide caption

itoggle caption Nikolas Giakoumidis/AP

This photo dated October 24th, 1929, shows a view of people rushing to a saving bank in Millbury, Massachusetts as the stock market on Wall Street crashed, sparking a run on banks that spread across the country. AFP/AFP/Getty Images hide caption

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