简介：Join Dr. Robert Ballard, discoverer of the Titanic, on an expedition in the Mediterranean where he uncovers eight ancient roman wrecks beneath the sea, and thousands of artifacts spanning more than 2,000 years of human history.365影院为您提供《国家地理百年纪念典藏56：深海搜奇》免费在线观看，及播出时间。喜欢的话，不要忘记分享给好友哦
