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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.　　Season 3, Episode 2: The Abbey Grange《格兰其庄园》16 July 1986不仅是天启的忠实粉丝，就是一些普通读者，也都热切关注起《倚天屠龙记》。6. MDT team members have the opportunity to obtain professional continuing education;一部以位于东京西荻洼的稍微怪的酒吧为舞台，提供鸡尾酒和罐头料理。由青年调酒师雨宫、沉默寡言的主厨中内、还有老板小林这三位同学经营的三星洋酒堂，故事从各种烦恼的客人的到访展开。不等郑氏回话，小葱就笑道：二婶净会夸人，人家哪有那么斯文There are many kinds of time relays, mainly air damping type, electromagnetic type, electric type and electronic type.