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Sarma Cave, located in Gagra District, Abkhazia, Georgia, is the second deepest recorded cave in the world. Its current depth was measured in 2012 by a team led by Pavel Rudko. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Sarma cave」の詳細全文を読む スポンサード リンク
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