Nuremberg Zoo and Duisburg Zoo take a stand against the campaign “Free – my home has no walls” by the organisation Whale and Dolphin Conservation (WDC).
Published on ardmediathek.de the 11.03.2020. | By: Ivo Nörenberg
Until the release of this documentary, there had been no film about drills. Modern zoos are currently fighting for the survival of this highly endangered species.