This year, the Francophonie Summit of French-speaking nations is being held in the Swiss city of Montreux on Lake Geneva. (AP Photo/Richard Vogel)

In the Montmartre quarter of Paris, early in the day when the bread is still fresh. (Michael Kneffel)

Algerian letterbox, from the time of French colonial rule. (Katharina Eglau/Joker)

A street in Cameroon. (Peter Arnold)

In France, former President Jacques Chirac wanted to ban the wearing of Islamic headscarves at school in 2004. In Beirut, not everyone agreed with that idea. (EPA/Nabil Mounzer)

In Senegal, people use wolof, peul, malinké and around 30 other local languages in their daily lives - but also French. (AP Photo/Rebecca Blackwell)

Crossing the border from France into Switzerland, where French is spoken in a plethora of ways, with special phrases, vocabulary and pronunciation. (Keystone/Martin Ruetschi)

Is the US marine deployed in Haiti thinking of his beautiful lady friend? (AP Photo/Pablo Aneli)

Hanoi Hilton, a prison built by the French and which housed American prisoners of war shot down over North Vietnam, is now a museum. (AP Photo/Richard Vogel)

French is also spoken in Madagascar. (Bildagentur-online)

A clinic in the Central African Republic. (Panos Pictures/Visum)

Quebec was very influential 400 years ago. This was celebrated at the last Francophonie meeting in 2008, which was held in the city. (Keystone/Arno Balzarini)