Passageway into flooded cave - High Resolution Images

It is the third deepest freshwater cave in the world, with a submerged vertical passage reaching 283 meters deep, making it a "

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The deepest hole in China is 98 kilometers long and is dug 170 meters per month to feed many people.

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In addition to exploration, the cave can also be used for hot springs, baths, passages, and swimming.

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French underwater cave. The entrance is 37 meters underwater, and then there is a long and narrow passage, which requires professional training.

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The allegory of the cave: We spend our entire lives walking out of the cave. A group of people (bottom left) have been

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For some reason, the project was not completed and remained unfinished, and was later flooded by groundwater.

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A prehistoric tunnel dating back 13,000 years has been discovered in Brazil. It is 2 meters high and 4 meters wide, and its internal structure is extremely strange.

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Follow Wang Yibo to explore new places! The beautiful cave scenery in Guangxi is so stunning

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A large cave is dug out in the tunnel of Leeds-Ham Expressway, which is as big as a football field!

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You have to hold your breath and dive to 3 to 4 meters, then swim through an underwater passage to reach the interior of the cave!

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The narrow passages of cave exploration are so exciting

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?The adventure in Mengyuan Wonderland, Xishuangbanna is full of dangers?️In early August, there are

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A strange cave with stairs was discovered in Antarctica. Where does this passage lead to?

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?️Deep mountain secrets: ancient cave passage design

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Review: 13,000-year-old tunnel discovered in Brazil, scientists: builders were not humans, why?

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Even so, flooding could not be avoided. A sudden surge of water caused 800 meters of

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You have to hold your breath and dive to 3 to 4 meters, then swim through an underwater passage to reach the interior of the cave!

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All the other entrances and exits are sealed with walls. Floods cannot enter the basement. If there is a safety problem,

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The rain was about to flood the cave, so the captain climbed to the cave entrance and lowered the safety rope to help everyone escape.

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But unexpectedly discovered an entire thousand-year-old city_passage_cave_period

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Adventures in the Unknown Cave

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The truth of the 2018 Thai cave rescue was revealed: the child was given two injections to fall unconscious, and his hands and feet were tied and sent out

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Magnificent natural eroded rock maze with narrow passages in French caves image download

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Cave land tigguocobauc

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Eel holes in submerged water. Finding eel holes is also a careful job.

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