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cave underground space
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Cave Underground Space

Cave entrances often have typical florae. For instance, in the eastern temperate United States, cave entrances are most frequently (and often densely) populated by the bulblet fern, Cystopteris bulbifera.
Archaeological and cultural importance
Throughout history, primitive peoples have made use of caves for shelter, burial, or as religious sites. Since items placed in caves are protected from the climate and scavenging animals, this means caves are an archaeological treasure house for learning about these people. Cave paintings are of particular interest. One example is the Great Cave of Niah, in Malaysia, which contains evidence of human habitation dating back 40,000 years. Another, the Diepkloof Rock Shelter in South Africa contains evidence of human habitation and use of symbols dating back 60,000 years.

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Album name:World & Travel
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Keywords:#cave #underground #space
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Date added:May 06, 2010
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