Civilizaciones bajo tierra. Un viaje a los lugares más misteriosos y ocultos del planeta
| Format | Soft cover |
| Language | Spanish |
| This Edition Published | 2017 |
| Publisher | Luciérnaga |
| Format | Soft cover |
| Language | Spanish |
| Location | Spain |
| This Edition Published | 2017 |
| Pages / Font | 332 pages |
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