1.Harrison’s Cave (Caribbean island Barbados)
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2.Phong Nha Cave (ถ้ำให่ที่สุและสวยที่สุในเวียนาม)
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3.Waitomo Glowworm Cave (North Island of New Zealand)
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4.Cave of the Crystals (Chihuahua, Mexico)
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5.Ali Sadr Cave, Hamadan Iran (north of Hamadan, western Iran)
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6.Eisriesenwelt Cave (ice cave located in Werfen, Austria)
7.Lechuguilla Cave (Carlsbad Caverns National Park, New Mexico)
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8.Crystal Cave (Sequoia National Park, in the U.S. state of California)
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9.Yellow Dragon Cave (Xixialing in West Lake tourist zone in Hangzhou City)
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10.Velebit caves of Croatia
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