Nobody knows what’s at the bottom of Taam Ja’, the world’s deepest blue hole
When discovered, TJBH was believed to be only 30 meters deep. However, in reality, it is deeper than the deepest ...
Tag: underwater cave
World’s deepest underwater cave discovered in Czech Republic — explorers still haven’t reached the bottom
It's so deep explorers had to use a submersible robot to map the cave. The rope wasn't long enough, though.
