The ocean has untold wonders waiting to be discovered. A U.S. company has developed an improved, ultra-deep diving submersible craft to search for them. It will take a 5-person crew as deep as 4000-meters, with the wreck of the Titanic its first deep sea destination. If the craft can withstand the staggering water pressure found several kilometers below the surface, it can explore the riches of an unknown world. VOA’s Julie Taboh has more.
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