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...
hello~欢迎访问一起追剧，本站全蓝光画质永久免费观看，如果资源无法播放请切换线路或等待管理修复，优先修复热播影视。