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The general layout of the other cave system, however, was similar to theirs.
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They must have left the man-made tunnels and entered a natural cave system.
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It seemed to be a natural formation, possibly part of a cave system.
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Hades found a cave system that led deep into the Underworld.
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When rains are heavy, most of the cave system is completely submerged, he said.
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This was Bue Marino, a cave system that extends far into the coastal limestone.
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Postojna is the only cave system that is disabled accessible.
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To increase the adrenaline factor, descend into other parts of Mulu's massive cave system.
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Facebook Twitter Pinterest Schematic of the Rising Star cave system.
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Right near the field was a series of waterfalls and the 10km Tham Luang cave system.
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The cave system beneath the Burren is vast.
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Tours of the underground cave system run from April to October and must be booked in advance.
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It was a 17-day expedition and they hoped to prove the cave system to be the… Audio
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Conn was especially well known for his exploration of the Jewel Cave , the world's second largest cave system.
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The Tham Luang cave system is a popular tourism and recreation attraction in the hills of northern Thailand.
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Members of a navy "seal" unit including a team of divers, are searching the cave system.