Stock Photo - 06 June 2023, Mecklenburg-Western Pomerania, Warnemünde: Matthias Fromm (l-r), tourism director of Rostock and Warnemünde, Andreas Zachhuber, former Hansa Rostock coach and head of AOK Active Beach, and Juri Schlünz, former Hansa Rostock professional and representative of AOK, at the official opening of AOK Active Beach on the Baltic Sea beach. By its own account, the largest outdoor sports arena in the country is starting its 12th season. Until the end of September, a wide variety of ball sports can be played and competitions held on the specially prepared beach section, which covers more than 7,500 square meters. Photo: Bernd Wüstneck/dpa. - Warnemünde/Mecklenburg-Western Pomerania/Germany