《国家地理：纳粹超级战舰》揭示历史真相。小东西又想要了是不是视频

　　Hitler's "unsinkable ship," the Bismarck, was deployed in 1941 to wreak havoc on Allied ships in the Atlantic, but settled on the ocean floor after just nine days at sea. NGC investigates: Who really sank the Bismarck? Explore the wreckage in brilliant HD as we break down the events leading to the ship's final naval battle. Later, hear the stories of camaraderie between British... (展开全部)