Can man and wolves coexist? Several European countries are grappling with this question, as wolves naturally regain ground across the continent. Switzerland is the latest country that's having to adapt to their return. Wolves were first spotted there in 2012, with their numbers tripling to reach at least 300. Shepherds have since had to face growing attacks, but one NGO has made it its mission to reconcile sheep and wolves, offering a unique service to help. Our Down to Earth team reports.