BBC地平线：我们该关了动物园吗？ (BBCdipingxianwomengaiguanliaodongwuyuanma)

剧情简介

LizBonninpresentsacontroversialandprovocativeepisodeofHorizon,investigatinghownewscientificresearchisraisinghardquestionsaboutzoos-thefilmexploreshowandwhyzooskeepanimals,andwhethertheyneedtochangetokeepupwithmodernscienceorultimatelybeconsignedtohistory.　　Shouldzoosculltheiranimalstomanagepopulations?LiztravelstoCopenha...