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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.一边想着，脚下不停地就往外走。杨长帆闻言心凉了大半，追问道：之前从绍兴府，派出快马快船前去报信，可管用？信也许来得及，但怕是……戚继光欲言又止。(five) the operator has obtained the professional qualification certificate for firefighters of buildings (structures) above the intermediate skill level, of which at least 30% are above the advanced skill level;刘铜锣，是与方杠子、戴慧平同年同月同日生的黄安三兄弟。在一起念私塾、斗军阀的少年时代义结金兰，成为生死兄弟。长大后，参加了黄麻起义的刘铜锣、方杠子逐渐成长为骁勇善战的红军年轻将领，而戴慧平则成为备受器重的国民党青年军官。在鄂豫皖苏区“围剿”与反围剿的斗争中，三兄弟战场上是对手，私底下却依然是兄弟。方蕾、曹丽君则作为三兄弟青梅竹马的伙伴，在共同的革命历程中结下了可歌可泣的友情加爱情。红军时期，刘铜锣从黄麻起义第一个杀进黄安城的大英雄，到私自动用红军第一架飞机“列宁”号血战红安，再到与左倾冒险思想作斗争，直至发明“水牛阵”成功突围渡江，一代战将性格鲜明，战功赫赫。抗日战争爆发，刘铜锣三兄弟再次携手，从保卫家乡红安到奇袭日军机场、从击毙日军联队长到方蕾不幸被俘牺牲，直到刘铜锣刀劈日酋取得抗战胜利，兄弟三人在纷飞战火中经历了一次次的生死考验。方杠子还邂逅了一段与日本女子宽子的凄美爱情。全运会上，电视台体育频道实习记者唐心奉命采访50米手枪慢射项目冠军，却发现对方并非大家看好的老将杜凌枫，而是四年前自己偷偷喜欢过的“射击馆辅导员”沈清源。沈清源在采访中的冷漠态度，让唐心大受打击，口吃起来，职场生涯也险被断送。唐心索性 以跟踪报道、制作节目等名义接近沈清源，试图从根源上解决问题。在省射击队，她邂逅了不甘落败的前手枪慢射冠军杜凌枫、争强好胜的女子气步枪选手石小辞、面嘻哈一面严肃的孪生兄弟陈宁陈海，制作出了备受欢迎的射击节目，破除了职场危机。亚锦赛召开在即，石小辞意外受伤，她选择将射击梦想交给杜凌风，唐心则在省队心理医生丁芳的帮助下，化解了沈清源埋藏至深的心结。昔日针锋相对的沈清源与杜凌枫最终冰释前嫌，他们怀抱着梦想与爱，并肩站在射击舞台上，向荣誉发起了更高的冲刺。　　可惜造化弄人，这段感情在过份担心与他人的恶意破坏之下，以无言的悲剧收场。赵宁静伤心之余，任性的嫁给她不爱的富家子熊应生医师(邱心志饰)，此人有计划的恶意陷害让林爽然失意的离开家乡不知去向，从此两人就如同平行线，不再有任何的交集。