Ice Cave
Park
3.5
★★★★★
(8)
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8回の閲覧
- 住所
- Decorah , IA 52101 United States
An ice cave is any type of natural cave that contains significant amounts of perennial (year-round) ice. At least a portion of the cave must have a temperature below 0 °C (32 °F) all year round, and water must have traveled into the cave’s cold zone. (Wikipedia)
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