沉重的秘密第一季

　　In the days and weeks after D-day Nazi diehard and fanatics fight to the last man to stop Allied forces from freeing Europe.

　　From a nuclear lake to a haunted forest, New Zealand filmmaker and journalist David Farrier ('Tickled') visits unusual -- and often macabre -- tourism spots around the world.

　　What happens when California dreaming becomes a nightmare? When people head to Humboldt County, California in search of quick riches in the form of marijuana.
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　　National Geographic explorers have the best jobs ever! Find out what it's like to explore black holes, climb mountains, and go deep-sea diving for a living.

　　With North Korea's relations with the rest of the world at a new and unpredictable inflection point, National Geographic Documentary Films presents INSIDE NORTH KOREA'S DYNASTY, a groundbreaking four-episode documentary series that examines the extraordinary history of the world's only communist dynasty, three generations in the making. A year in production, INSIDE NORTH KOREA'S DYNASTY is the ultimate story of a family's power, and the relationship among a father, a son and a grandson. The series provides a look at the Kim dynasty more complex and comprehensive than ever attempted before, revealing the workings behind the formidable family dynamics at the heart of an extraordinary country. Viewers will be immersed in the family's dark and surreal story, bringing a fresh perspective on a nation ruled for over seven decades by one dynasty. Understand the family, and you understand how this country works.

　　Actor and martial artist Frank Grillo explores and experiences the diverse fighting techniques found in cultures around the world.

　　家族就是力量——随着权力争斗与敌对势力的全面回归，逐渐壮大的家族中发生的故事，比虚构情节更加精彩。
　　从巴塔哥尼亚冰封的安第斯山脉，到赞比亚的平原，再到乞力马扎罗山下广阔的草原，这部画面精美的纪录片引领观众潜入世界上最具代表性的动物家族，一窥它们隐秘的生活——从出生到成长，再到生存之战。
　　在开阔的平原，一只猎豹必须确保它的三只雌性幼崽掌握独立生存的本领；一头经验不足的大象要带领象群迎接它们的最大挑战——双胞胎；在高耸的巴塔哥尼亚山脉，一只美洲狮妈妈和它数量最多的一窝宝宝在危险的边缘艰难求生；干旱与家族争斗给一群斑鬣狗造成了诸多混乱；猕猴群则需要结识新的盟友，才有望成功养育幼崽；与此同时，一群狐獴能否战胜干旱，重建它们支离破碎的王朝？
　　在动物家族奋力构建各自的传世王朝时，每一个温情时刻，每一段凄美故事，每一次心碎背叛，都引人入胜，为观众献上沉浸式的观看体验。

　　西非撒哈拉沙漠边境，统治族群长达三年之久的黑猩猩戴维面临其他雄性的挑战，为了守住王权，他开始选择结盟。而当遭到围攻后，这位不死的王者又毅然决然踏上夺回王位的复仇之路。南极大陆，数千只帝企鹅爸爸团聚一起，与极其寒冷的永夜作抗争。他们等待新生命的出生，等待 爱人的归来。肯尼亚草原，雌狮查姆竭尽全力守护族群，在巨大的灾难面前，他必须面临生死存亡的考验。津巴布韦国家公园，垂老的三色狼泰特渐感力不从心，她对家族的控制力逐渐减弱，而她的女儿正在崛起，觊觎着母亲的皇位。印度，雌虎拉杰贝拉靠一己之力捕捉猎物，养育四个孩子，但是大自然从不因此对她慈悲半分。

　　An in-depth look at the history and pop cultural significance of ysgou.cc horror films.