6,000 Feet Underground
A lot of caves can be extremely dangerous, no matter how tempting it is to go exploring and diving. Some caves are so threatening that it’s merely impossible to be explored, which are often caverns that are part of a complex caving system that goes deep underground. However, people still attempt to go as deep as they can into these caves, which is exactly the case for Krubera Cave. This is one of the most challenging cave expeditions in the world where the deepest any group has gone into is 6,824 feet, which made them stuck underground for 3 weeks.
6000 Feet Underground
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