The World of Business - Hidden Depths

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London-born Graham Hawkes is the man who has created a submersible vessel that flies through the deepest ocean like a plane. Peter Day reports from his workshop in California, where he wonders why space exploration makes decades of headlines while it is so hard to get backers for deepsea travel into a world no-one has ever seen.
Producer: Sandra Kanthal
Presenter: Peter Day

Published on Tuesday, 14th September 2010.

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