Mariana Trench: Record-breaking journey to the bottom of the ocean

Victor Vescovo descended almost 11km in a submersible to the deepest part of the Pacific Ocean. from BBC News - World https://bbc.in/2vYnJ...

Victor Vescovo descended almost 11km in a submersible to the deepest part of the Pacific Ocean.

from BBC News - World https://bbc.in/2vYnJqA