PARIS - SEPTEMBER 23: French teachers carry banner "Highschool says no to 62 and 67' during nationwide strike against raise of the retirement age on September 23, 2010 in Paris, France
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PARIS - SEPTEMBER 23: French teachers carry banner "Highschool says no to 62 and 67' during nationwide strike against raise of the retirement age on September 23, 2010 in Paris, France