With a total length of cave passages reaching a staggering 13,232 m, the deepest explored parts of Krubera-Voronya reach 2,197 m. It remains the only known cave on Earth deeper than 2,000 meters—rightfully earning the title as the entrance to Inner Earth.
Read here: https://helenastales.weebly.com/blogue/the-entrance-to-inner-earth-meet-the-everest-of-caves6847222

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