《BBC.地平线.2020.从七十七亿人口开始》是由著名导演未知的一部精彩的纪录 影视作品，主演有未知等，According to the UN, it is predicted that the human population could reach ten billion people by the year 2050. For broadcaster and naturalist Chris Packham, who has dedicated his life to championing the natural world, the subject of our growing population and the impact it is having on our planet is one of the most vital – and often overlooked – topics of discussion in an era ...