剧情：Liz Bonnin presents a controversial and provocative episode of Horizon, investi..展开

剧情：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 Copenhagen Zoo, who killed a giraffe and fed it to the lions, to witness their culling process first hand. They think it is a natural part of zoo keeping that is often swept under the carpet. Should some animals never be kept in captivity? In a world exclusive, Liz visits SeaWorld in Florida and asks if captivity drove one of their orcas to kill his trainer. But could zoos be the answer to conserving endangered species? Liz examines their record, from helping breed pandas for the wild to efforts to save the rhinos. She meets one of the last surviving northern white rhinos and discovers the future of this species now lies in a multimillion-dollar programme to engineer them from stem cells. Veteran conservation scientist Dr Sarah Bexell tells Liz the science of captive breeding is giving humanity false hope.本站提供的《地平线系列：我们该关了动物园吗》在线观看地址以及地平线系列：我们该关了动物园吗下载地址来源于互联网。本站并不参与录制和制作，仅提供资源引用和分享，如果本站提供地平线系列：我们该关了动物园吗资源对贵方造成了损失或侵犯了贵方权益，请及时发送邮箱给管理员，我们将在48小时之内撤销有关《地平线系列：我们该关了动物园吗》所有内容。收起