HMRG Deep
Proper noun
Meaning
HMRG Deep
Former name of Sirena Deep.: A deep in Mariana Trench, Pacific; second deepest place in the Mariana Trench, and third deepest place on Earth.
Proper noun
HMRG Deep
Former name of Sirena Deep.: A deep in Mariana Trench, Pacific; second deepest place in the Mariana Trench, and third deepest place on Earth.