"Icy cold, pitch black and with crushing pressures - the deepest part of the ocean is one of the most hostile places on the planet. Only two explorers have made the epic journey there: 11km (seven miles) down to the bottom of the Pacific Ocean's Mariana Trench. As a new wave of explorers is gearing up to repeat this remarkable dive, take a look at the mysterious world that they will be plunging into." BBC - Scroll to see the ocean's deepest depths
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| Scroll to see the ocean's deepest depths |
"Icy cold, pitch black and with crushing pressures - the deepest part of the ocean is one of the most hostile places on the planet. Only two explorers have made the epic journey there: 11km (seven miles) down to the bottom of the Pacific Ocean's Mariana Trench. As a new wave of explorers is gearing up to repeat this remarkable dive, take a look at the mysterious world that they will be plunging into." BBC - Scroll to see the ocean's deepest depths
