Tens of thousands of activists, organized in different marches, left a self-managed protest camp next to the idyllic village of Vanzay. They headed towards a the construction site of a water reservoir – dubbed “Mega-basin” – in Sainte-Soline in the Department of Deux-Sèvres between the cities Nantes, Poitier and Bordeaux. A day-long battle ensued which left hundreds injured and one protester in a coma for a month.