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  2. List of longest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_caves

    Preferable conditions for karst cave formation are adequate precipitation, enough plants and animals to produce ample carbon dioxide, and a landscape of gentle hills which drains slowly. [ citation needed ] The highest concentrations of long caves in the world are found in the Pennyroyal Plateau of southern Kentucky , United States, in the ...

  3. List of deepest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_caves

    The depth value is measured from the highest to the lowest accessible cave point. # Name Depth (m) Length (km) Country coordinates 1 Krubera-Voronja Cave:

  4. Sh 2-155 - Wikipedia

    en.wikipedia.org/wiki/Sh_2-155

    It is widely known as the Cave Nebula, though that name was applied earlier to Ced 201, a different nebula in Cepheus. Sh 2-155 is an ionized H II region with ongoing star formation activity, [ 1 ] at an estimated distance of 725 parsecs (2400 light-years) from Earth.

  5. Breathing cave - Wikipedia

    en.wikipedia.org/wiki/Breathing_cave

    A breathing cave or barometric cave is a rare type of cave in which atmospheric pressure gradients between the inside and outside of a cave cause air to flow in to or ...

  6. Sistema Cheve - Wikipedia

    en.wikipedia.org/wiki/Sistema_Cheve

    Current expeditions are underway to find a connection between J2 and Cheve Cave, which will produce a cave system more than 2 kilometres (6,600 ft) in depth. The integration of the entire system will produce a 2,597 metres (8,520 ft) deep cave and would represent the deepest cave in the world.

  7. Ambadevi rock shelters - Wikipedia

    en.wikipedia.org/wiki/Ambadevi_rock_shelters

    The Ambadevi rock shelters are part of an extensive cave site, where the oldest yet known traces of human life in the central province of the Indian subcontinent were discovered. The site is located in the Satpura Range of the Gawilgarh Hills in Betul District of the Indian state of Madhya Pradesh , north of Dharul village in Amravati district ...

  8. Natural Trap Cave - Wikipedia

    en.wikipedia.org/wiki/Natural_Trap_Cave

    Natural Trap Cave is a pit cave in the Bighorn Mountains, in northern Wyoming, United States. Excavations in the cave are an important source of paleontological information on the North American Late Pleistocene , due to a rich layer of fossils from animals that became trapped in the cave.

  9. Kitum Cave - Wikipedia

    en.wikipedia.org/wiki/Kitum_Cave

    Kitum Cave is located in Mount Elgon National Park, Kenya. In the 1980s, two European visitors contracted Marburg virus disease there. It is one of five named "elephant caves" of Mount Elgon where animals, including elephants, "mine" the rock for its sodium-rich salts.