A worker of Metro's construction company holds a fragment of old pottery in the northern Greek port city of Thessaloniki on Monday, June 25, 2012. Archaeologists in Greece's second largest city have uncovered a 70-meter (230-foot) section of an ancient road built by the Romans that was city's main travel artery nearly 2,000 years ago. The marble-paved road was unearthed during excavations for the city's new subway system that is due to be completed in four years, and will be raised to be put on permanent display for passengers when the metro opens. (AP Photo/Nikolas Giakoumidis)
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