Officials in Brittany have warned that the Saint-Malo area has around 75 days of drinking water left and urged residents to cut back - but with the Route du Rhum set to draw 1.5 million visitors, will there be enough to go round?
While there is only 70 days left of drinking water in the countries of Saint-Malo, people are worried about the impact of the Route du Rhum. The latter announces its vigilance measures.