BBC地平线：我们该关了动物园吗？在线播放

点击下面按钮切换不同播放源，测速后可找到速度最快的播放源观看效果更佳

全高清选集 (共 1 集)

剧情简介

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 Copenha...