BBC Radio 4 - Short Cuts: Seven Miles Deep

On 23rd January 1960, US navy lieutenant Don Walsh climbed into a tiny submersible called the Trieste to try and find the bottom of the Mariana Trench - the deepest point in the world’s oceans.

Produced for an episode of Short Cuts on BBC Radio 4 called The Descent. The series is produced by Eleanor McDowall / Falling Tree Productions.

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