BBC地平线：我们该关了动物园吗？
LizBonninpresentsacontroversialandprovocativeepisodeofHorizon,investigatinghownewscientificresearchisraisinghardquestionsaboutzoos-thefilmexploreshowandwhyzooskeepanimals,andwhethertheyneedtochangetokeepupwithmodernscienceorultimatelybeconsignedtohistory. Shouldzoosculltheiranimalstomanagepopulations?LiztravelstoCopenha...
