「这是一个能改变人生的活动！」香港四径超级挑战，被誉为难度极高的越野赛事，参加者须于极短时限内完成攀登香港四大山径。全程横跨298公里、攀升高度超过14500公尺，这不只是一场竞赛，更是对个人意志的反复试炼。享誉国际的常胜军、精于配速的战术高手、屡败屡战的年轻健将——来自不同国籍与背景的参赛者，皆矢志突破极限、创下新纪录。然而心急或成绊脚石，能否坚持到终点都是未知数。当睡意从脚底曼延，黑夜中谁能脱颖而出，写下无人预料的奇迹？
《阿尔卑斯：自然的巨人》是2005年9月IMAX电影公司跟随美国登山家John Harlin，记录其从北壁登顶艾格峰的影片。40年前，他的父亲约翰·哈林二世1966年在攀登艾格峰北壁垂直路线时因绳索断裂而遇难，拍摄这部影片也算是对其父亲的纪念了。
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.
