In collaboration with Cavo Diving, on the occasion of UNESCO world Oceans Day, a day dedicated to the sea. In the morning, cleaning of the sea bottoms with scuba divers (and beach cleaning open to all). In the afternoon, a Citizen Science dive with Park Guide to discover marine biodiversity; particular attention to certain priority species of the Habitats Directive. Briefing with scuba divers before the dive, to be done in an area to be reached by inflatable raft.