Whoa! I’ve always thought we’ve already mapped everything out in the ocean. Just 5% so far? Phew!
Thanks for the pointer, Eli !
Bookmark: Why The First Complete Map of the Ocean Floor Is Stirring Controversial Waters
Earth has no shortage of stunning landforms: Mt. Everest rises majestically above the clouds; the Grand Canyon rents deep into desert rock layers; the mountains that make up the Ethiopian Highlands, aka the Roof of Africa, tower above the rest of the continent.