7 Miles Down

In the distant future, marine biologist Dr. Samson is studying the declining whale populations in the area, when she comes across an eerie distress signal.

sources:

https://oceanleadership.org/deep-ocean-plunging-new-depths-discover-largest-migr...

ProMotion / Fotolia

https://boingboing.net/2017/02/24/unmanned-craft-finds-naturally.html

https://www.sciencemag.org/news/2017/01/expedition-probes-ocean-trench-s-deepest...

https://www.youtube.com/watch?v=LCERDfJ6qmA