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Religious dignitaries stand in front of Paris' Notre Dame Cathedral as part of a ceremony for its 850th anniversary, Wednesday, Dec. 12, 2012. Dignitaries, tourists and Parisians gathered in the thousands for a ceremony and Mass marking the beginning of year-long commemoration of Notre Dame Cathedral's 850th anniversary. (AP Photo/Christophe Ena)

Notre Dame celebrates 850 years

Nine enormous new bronze bells have made their way at Notre Dame Cathedral, helping the medieval edifice to rediscover its historical harmony. The cathedral celebrated its 850th anniversary on Dec. 12, 2012.