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A giant hole in the ocean may hide a terrifying truth
The Great Blue Hole in Belize, a colossal sinkhole in the Caribbean, has become a focal point for new research, revealing a ...
The Pennsylvania Department of Environmental Protection says it has learned where the lead in Blue Hole Creek is coming from. In May, water testing by the Mountain Watershed Association revealed Blue ...
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Mysterious Blue Hole Deep Inside a River Cave
We didn’t expect to find it - but once we saw that deep blue glow, we knew we had to investigate. Hidden far inside a remote river cave, we came across a mysterious blue hole that seemed to drop ...
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