Cheondongdonggul Cave (단양 천동동굴)
| Item List | Contents |
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| registration date | 20100825230555 |
| Modified date | 20200102231110 |
| address | Cheondong 2-gil, Danyang-gun, Chungcheongbuk-do |
| type | Nature |
| area code | Chungcheongbuk-do |
| tel | +82-43-422-2972 |