Liz Bonnin presents a controversial and provocative episode of Horizon, investigating how new scientific research is raising hard questions about zoos - the film explores how and why zoos keep animals, and whether they need to change to keep up with modern science or ultimately be consigned to history. Should zoos cull their animals to manage populations? Liz travels to Copenha...
八点影院所有视频和图片均来自互联网收集而来，版权归原创者所有，本网站只提供web页面服务，并不提供资源存储，也不参与录制、上传
若本站收录的节目无意侵犯了贵司版权，请在留言处留言 （我们会在3个工作日内删除侵权内容，谢谢。）
