Conservationist Maria Diekmann visits Vietnam, Thailand and China to show how unusual scaly mammals called pangolins have become one of the most poached and illegally trafficked animal species in the world. 环境保护者玛丽亚·迪克曼访问了越南、泰国和中国，展示了被称为穿山甲的不寻常的鳞片哺乳动物已经成为世界上最被偷猎和非法贩运的动物物种之一
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