纪录片：深海探险（二）

潜入五大洋最深的海底，探索未知生物，绘制海底地图，本片记述Victor Vescovo的深海奇遇。 Expedition: Deep Ocean Series 1 Explorer Victor Vescovo and his team embark on an unprecedented global mission to dive to the deepest points of all five oceans, a feat no one has ever achieved.