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　　与此同时，毛泽东也与杨昌济的女儿杨开慧（周冬雨 饰）谱写了一段乱世恋情……Look at the code of the database connection pool:文森特是一名图雷特综合症患者，照顾她的母亲去世之后，文森特那久未谋面的父亲出现，将儿子送往了治疗中心，交给了在那里工作的罗斯医生。在治疗中心内，文森特结识了艾利克斯和玛丽，前者患有强迫症，后者则是一名厌食症患者。同为病患，三位青年之间结下了坚实的友谊，某日，他们偷走了罗斯医生的车，驱车前往海边悼念文森特的母亲。发现了文森特一行人的“越狱”行为，罗斯医生和文森特的父亲当即联手，对三名“逃犯”进行“追捕”Level 1, FoundationLiz 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.