In Pictures: France Unity March

A man, dressed as the Statue of Liberty, holds up the French national flag at the Place de la Republique.

Residents watch from a balcony above the Place de la Republique in Paris.

Family members and relatives of the 17 victims take part in the march.

The sign reads "Je suis l'ahmi Charled," a play on words on the slogan "Je suis Charlie" and refers to Ahmed Merabet, a French police officer killed in the attack.

A man holds a sign that reads "Not even scared" at the start of the rally in Paris.

Security has been very tight for the march.

A man holds a sign bearing the portraits of slain Charlie Hebdo staffers.

Police officers secure the area as French President Francois Hollande, surrounded by heads of state, attends the solidarity march.

French President Francois Hollande welcomes German Chancellor Angela Merkel at the Elysee Palace before the march.

People gather on the Place de la Republique in Paris before the start of the march.