Discover the challenges of constructing the longest underwater pipe to the bottom of the Mariana Trench, the deepest part of Earth. What materials are suitable? What creatures might you encounter? And at what point does the construction become unbearable?

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What If is a mini-documentary web series exploring hypothetical worlds. Join us in an imaginary adventure through time, space, and chance.

Produced with love by Underknown in Toronto: Underknown

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