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. 该剧由12个独立的故事结构而成，每个故事都以一位进城打工的农民工为主线，描写他们的喜怒哀乐、爱恨情仇，真实展现他们背井离乡在城市生存的孤苦无奈：进城做保姆的农村妇女深陷婚姻牢笼的悲惨境遇；顶着风险辛苦帮人开黑车却被拖欠薪水的农民司机；处处想帮人解决问题却招致祸端的小区保安；进城打工妻子却遭遇性骚扰的夫妇。悲剧故事的背后，是这些城市边缘人被忽略的自尊，被轻视的命运和他们对融入城市的热切渴望。 秀水河畔纷纷雨，闲谈故人酒一盅。有些旧事或许能在时光的罅隙里，被如今之人窥到端倪，翻出了一两张旧时稚嫩的字画以作凭证，而有些，或许只能葬在时间的洪流里，像祭在坟前的那壶酒，只够醉了偶尔经过的春风。 故事发生在东北某村，村里的男人都到城里打工，在国家政策的扶持和自身的努力下，赚了大钱的他们衣锦还乡。村妇女主任王红艳带领着全村妇女迎接自己丈夫的到来，可让她们没有想到的是赚了钱的男人们抖起了威风，原本平静的生活闹得鸡犬不宁。王红艳不堪忍受丈夫李大可的气，决定自力更生，带领马玲等妇女进城打工，追求属于自己的美好生活。 中年男人高宝生是某大学副教授，他为人正直、风趣，多年来与女儿高晴相依为命。女儿高晴是一个现代与传统意识并存的年轻人，她极力赞同父亲再婚，还将同学大李的单身母亲郑秀岚介绍给高宝生，郑秀岚的热情过度使高宝生哭笑不得，笑料迭出。他情有独衷的是二十年前初恋女友杨柳，如今的杨柳是一名身价不斐的成功女人，却两度婚姻失败，两人再续前缘。 杜私放艳阳春一事败露，为应付黄金荣去追查艳阳春下落，识得艳阳春徒弟韩雪芳。杜经人介绍再娶一妻，却神往于韩雪芳。在成立了中汇银行，修建杜家祠堂，广邀南北名伶堂会助兴之时，艳阳进疯至共舞台，韩雪芳心灰离沪，杜唯有与之惜别。叹江湖数载，叱咤风云，如今却难留美人之心……
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