Add Yahoo as a preferred source to see more of our stories on Google. Located off the coast of Belize, the Great Blue Hole is a circular underwater sinkhole that's renowned among divers for its ...
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Exploring Belize’s Great Blue Hole, the massive underwater sinkhole that’s visible from space
"It was the deepest, deep blue hole imaginable." Some 15,000 years ago, rising sea levels sent water pouring into a limestone ...
Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...
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