| 1. | His passion for speleology later evolved into an interest in ice caves.
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| 2. | One ice cave associated with an ice tower had rock temperatures measured at.
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| 3. | In 2000 Dobainsk?Ice Cave became a UNESCO World Heritage Site.
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| 4. | There are also a couple of caves to explore, including an ice cave.
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| 5. | The answer comes clear in a giant ice cave in Greenland.
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| 6. | Although the brothers had to dig an ice cave for shelter.
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| 7. | Other features are Wolf Creek Falls and Robinson Ice Cave.
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| 8. | But these are the highest ice caves in the world.
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| 9. | Other signs probed the 330-million-year history of Ice Caves Mountain.
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| 10. | Meanwhile, in an ice cave in " Mary Shelley's Frankenstein,"
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