Liz Bonnin presents a controversial and provocative episode of Horizon, investigating how new scient
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...
主演：本·福斯特,詹姆斯·戴尔,迈克尔·曼多,格雷厄姆·格林,罗利·科奇瑞恩,梅丽莎·里奥,里特奇·科斯特,乔治·卡罗尔,妮基·迪克森,珊·奎汀,Ben Hall,Danny Boy O'Connor,James Whitecloud,Kaylee Curry,Jasper Jones,David De La Barcena,Clarissa Cozzoni,Isabella Sanchez,Orlando Valentino,Dwayne Chamberlain
