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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
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americas national parks
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- united states (17)
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- history (4)
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- hiking (2)
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- muir, john, (2)
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- roosevelt, theodore, (2)
- yosemite national park (calif.) (2)
- animals (1)
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