World’s longest cave just got even longer after discovery at Kentucky national park

AndronETalksNews
Lexington Herald Leader
The longest cave in the world just got even longer — at least officially speaking.
Mammoth Cave National Park in Kentucky said researchers found another 8 miles of passages while mapping the immense underground geological marvel. The new discovery by the Cave Research Foundation brings the total length to 420 miles, officials said.
“When it comes to discoveries in Mammoth Cave, there truly is no end in sight!” the park posted on Facebook.
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