pIn this edition we speak to people who don't normally let the media in: environmental activists known as "Zadists". There are several groups in France, including in the Sivens region, where they aim to stop the construction of a dam. Their cause made headlines at the end of last year, when a Zadist was killed by a police stun grenade. FRANCE 24's Ben Barnier managed to get some rare insight into what drives these protesters.