Mariana Trench

A former NASA astronaut who was the first American woman to walk in space has become the world's first woman to reach the deepest point on Earth.

36 years after my space walk, I became the first woman to dive to the deepest known spot in the ocean - the Challenger Deep. #WorldOceansDay pic.twitter.com/KWJxx4fBYR

— Kathy Sullivan (@AstroKDS) June 9, 2020

A Chinese research ship, named "Science", ends a one-month research mission. The study area was the Mariana Trough.

The ocean hide heights, valleys and unknown creatures. Chinese scientists were provoked to explore the area of ​​the Mariana Trough - the deepest ocean floor, but perhaps even the least explored.