Rosetta：音频/视频

　　DESCRIPTION
　　Did you know? In the quest for world domination, the Nazis built some of the biggest and deadliest pieces of military hardware and malevolent technology in history?
　　Creating huge terror machines, hi-tech superguns and some of the original weapons of mass destruction, their aim was to control a nation, conquer a continent and win the war!
　　Over six unforgettable episodes, Nazi Megastructures uncovers the hidden remains of Hitler’s most ambitious Megastructures, telling the stories of the engineering geniuses that designed them and revealing how these structures sparked a technological revolution that changed warfare forever.
　　EPISODE GUIDE
　　Nazi Megastructures: The Atlantic Wall
　　Discover the story behind the defensive wall, stretching thousands of kilometres, built by the Third Reich to protect themselves from the Allies.
　　Nazi Megastructures: U-Boat Base
　　To create a safe haven in port for their lethal U-boat submarines, the Nazis built massive, impenetrable submarine pens that still survive today.
　　Nazi Megastructures: V2 Rocket Bases
　　Discover how Nazi scientist Wernher von Braun heralded the birth of ballistic missiles and laid the technological foundations for the space race.
　　Nazi Megastructures: Super Tanks
　　The story of Nazi engineers tasked with fulfilling Hitler's megalomaniac demand for the construction of a land battleship weighing 1,000 tons.
　　Nazi Megastructures: Hitler's Jet Caves
　　Explore the story behind one of the most advanced aeroplanes of WWII, the Messerschmitt Me 262, and the subterranean bat-cave where it was built.
　　Nazi Megastructures: Fortress Berlin
　　April 1945. Safe in his heavily fortified FŸhrerbunker in the centre of Berlin, Hitler prepares for the Allies' final attack.

聚焦飓风卡特里娜对新奥尔良市的影响。

《险峰》是一部关于高山滑雪的纪录片，它展现了高山滑雪运动的冒险、优美、以及滑雪板上的那些优美的瞬间。高山滑雪运动开始于1970年的法国，那个时候，该运动因为有极高的危险性，被认为是与自杀无异。然而时光荏苒，现在的运动员们纷纷以从事高山滑雪为荣……

暂无简介

这部纪录片记录了人类航天发展史上的一些重要事件。发射训练上的突发悲剧，几乎结束了阿波罗登月计划。1997年的和平号空间站的碰撞事件，导致空间站漏气。利用太空行走和一根导线对国际空间站太阳能帆板的维修。哈勃望远镜差点因一颗螺丝而无法更换电源。哥伦比亚号航天飞机的再入失败。美国国家航空航天局和苏联的每一次太空任务都是一个高风险的项目，失败的风险无处不在。这个系列向那些为了在天上站稳脚跟而将自己的生命置之度外的勇敢的人们致敬......航天事业的道路上，有时会出现惊人的灾难性结果。与此同时，这部纪录片还展示了过去的险情和灾难是如何为今天的突破铺平道路的。

人是铁饭是钢，一天不吃饿得慌。 吃货无罪，人生之大快乐，即是佳肴为伴，美食作陪！ 饕客天下行，让我们一起吃遍美味，吃遍天下~。

关于时尚教主拉尔夫·劳伦的首部纪录片，片中透露这个创造出时尚界最成功的品牌之一的男子，在偶像光环之下的真实面貌。

这部纪录片着重讲述了黛比·艾伦的职业生涯，展现了她的舞蹈学生们准备年度舞台剧《热巧克力胡桃夹子》的过程。

一部探索世界上不同活火山的纪录片。

Ifwefacedacountdowntodestruction,couldwebuildaspacecrafttotakeustonewandhabitableworlds?CanweEvacuateEarth?NGC’stwo-hourspecialexaminesthisterrifyingbutscientificallyplausiblescenariobyexploringhowwecouldunitetoensurethesurvivalofthehumanrace.