Bottom of World's Deepest Blue Hole Proves Elusive
- Written by Newser
The deepest known ocean sink hole is so deep, researchers using advanced equipment can't find the bottom, though they've found evidence of a whole network of underground tunnels somewhere in its depths. The Taam Ja' Blue Hole in Mexico's Chetumal Bay was formerly considered the second-deepest blue hole, with an...
Read more at Newser.com https://www.newser.com/story/349812/ocean-sinkhole-is-so-deep-we-cant-find-the-bottom.html