German President Joachim Gauck gives a speech in front of Berlin's Brandenburg Gate as political and religious leaders attend a Muslim rally to condemn the Paris terror attacks, promote tolerance and send a rebuke to a growing anti-Islamic movement on Tuesday, January 13.
The Empire State Building in New York is lit in the colors of the French flag on January 11, paying tribute to those who lost their lives in the Charlie Hebdo terrorist attack.
A man holds up a pen, signifying freedom of expression, during a gathering Friday, January 9, at JFK Plaza in Philadelphia.
Lights on the Arc de Triomphe say "Paris est Charlie" (Paris is Charlie) on January 9.
Journalists and other people in Hong Kong hold up pens and hold signs that say "Je suis Charlie" (I am Charlie) during a vigil on January 9.
Workers install a giant banner on the Cannes Festival Palace in Cannes, France, on January 9.
People gather in front of the French Embassy in Mexico City on Thursday, January 8.
A crowd gathers in Sydney on January 8 to show their support for Charlie Hebdo.
In remembrance of the victims, the Eiffel Tower goes dark on January 8.
A man holds a pencil in front of Notre-Dame Cathedral during a moment of silence January 8 in the French capital.
Police observe a moment of silence January 8 in Rennes, France.
People in Istanbul pay tribute to the victims of the attack on January 8.
Journalists and supporters of press freedom hold placards saying "I am Charlie" outside the Foreign Correspondents' Club in Hong Kong on January 8.
Women hug each other during a solidarity rally outside the office of Charlie Hebdo on January 8.
A Romanian military member walks past a condolence book outside the French Embassy in Bucharest, Romania, on January 8.
People in Toulouse, France, observe a moment of silence in front of City Hall on January 8.
French journalists and their families show solidarity with the Paris victims outside the French Embassy in New Delhi on January 8.
Mourners hold signs depicting victims' eyes during a rally in New York on Wednesday, January 7.
People hold candles during a gathering at Place de la Republique, a square in Paris, on January 7.
People gather in Paris on January 7.
Flowers are placed at a candlelight vigil near the French Embassy in Tunis, Tunisia, on January 7.
People in Rio de Janeiro hold a sign that reads "We're all Charlie" on January 7.
Papers with "I am Charlie" written in various languages are left near candles at a vigil in front of the French Embassy in Berlin.
Employees put up a sign as a woman prepares to place a bouquet of flowers at the front gate of the French Embassy in Washington on January 7.
People in Brussels, Belgium, hold candles during a vigil on January 7.
People gather near candles in Lyon, France, on January 7.
People in Paris hold candles on January 7.
A man holds a candle and a sticker that translates to "I am Charlie" during a vigil in Paris on January 7.
People gather in London's Trafalgar Square on January 7.
People gather in front of city hall in Rennes on January 7.
A portrait of French cartoonist Georges Wolinski, another victim of the shooting, is seen in Marseille, France, on January 7.
People hold up pens as a show of support in Rennes on January 7.
People light candles during a vigil in Geneva, Switzerland, on January 7.
Journalists with Agence France-Presse hold signs reading "I am Charlie" as they observe a minute of silence on January 7.
A man in Paris raises a pen on January 7.
People gather at the Place Royale in Nantes, France, on January 7.
The French national flag flies at half-staff on the roof of the French Embassy in Berlin.
People light candles at the Place de la Republique on January 7.
People hold signs during a gathering in Paris on January 7.