A French national flag hangs from a balcony in Marseille, France. Reuters/Jean-Paul Pelissier Blue, white and red shirts, the colors of the French national flag, hang from a balcony in Marseille.

In "Bleu, Blanc, Rouge" Christopher Anderson tries to understand what it means to be French, by seeking out the colors of the French flag.

The "Free France" flag. Photo: AFP. This particular French flag has become the centre of an escalating row between a mayor, residents, the far-right and the local prefecture.