介绍：Unseen Enemy is an essential exploration of reasons 21st-century populations are experiencing a rash of diseases that were once only outbreaks, but have now become full-blown epidemics. This increased risk that we face, and the ways society and individuals can work together to reduce that risk, are explained to the public through the case studies of three epidemics: Ebola, infl..

介绍：The balance of nature is in danger and only Clara and her friend have the heart to solve the secret of the bears and to break a centuries-old spell.

介绍：这一次，瑞典情报官员卡尔·汉密尔顿（MIKAEL Persbrandt）面临的不是国家利益，而是自己的家庭他的7岁干女儿纳塔莉被上集的恐怖分子报复性绑架。

介绍：费时三年，兵分10路，近600小时的影像素材，国家地理频道为我们奉上这一难得一见的视觉盛宴……

介绍：这一次，瑞典情报官员卡尔·汉密尔顿（MIKAEL Persbrandt）面临的不是国家利益，而是自己的家庭他的7岁干女儿纳塔莉被上集的恐怖分子报复性绑架