Submarine movies
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Volume 2. Deep sea submersibles have been to the bottom of the Marianas Trench. Others do research on deep sea vents. Fifty years ago–January 23, 1960–Don Walsh, then a U.S. Navy lieutenant, and Swiss oceanographer Jacques Piccard climbed inside a sphere at the bottom of the “bathyscaphe” (deep-diving research submarine) Trieste and descended some 35,800 feet Challenger Deep in the Mariana Trench off Guam. Flatfish and shrimp were discovered at the bottom of the world.
