Messages are seen on a 'tree of freedom' as people light candles to commemorate the victims... at Charly Hebdo in Paris.
CHARLIE HEBDO 1971.
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A sign reads Not Afraid as thousands gather for a candle light vigil on Place de la Republique in central Paris hours after the attack by two gunmen on the Charly Hebdo headquarters in Paris, France, on Jan. 7, 2015. (Photo by Ian Langson/EPA)