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...
《BBC地平线：我们该关了动物园吗？》更新到HD画质了，视觉效果真的棒。
《BBC地平线：我们该关了动物园吗？》这部的这部片子的剧情非常吸引人，特别是关于动物园未来发展的讨论，引人深思。
看完《BBC地平线：我们该关了动物园吗？》，我开始反思自己对动物园的看法。