After almost four years after the start of Russia's full-scale war against Ukraine, the waters of the Black Sea are believed to be the most heavily mined in the world. But sea mines are not the only danger. Downed missiles and drones also pose a threat to ships and the civilians living along Ukraine's beaches. DW’s Nick Connolly put out to sea with a Ukrainian naval crew trawling for an explosive catch. 00:00 The Black Sea in Russia's war against Ukraine 03:39 Natalie Sabanadze, Chatham House