30.08.2018 Baltic Sea Day on 30 August 2018 at the Rostock city harbour "Open Ship": The three research vessels DENEB, ELISABETH MANN BORGESE and CLUPEA in Rostock's city harbour are a major highlight of the Baltic Sea Day 2018 and can be visited throughout the day.© IOW / D. Amm Share post Share post on facebook Share post on twitter Share post via WhatsApp Subscribe to RSS feed Share post via e-mail Link copied!