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| TURRIALBA VOLCANO (COSTA RICA) (4) |
| VOLCAN TURRIALBA (COSTA RICA) (4) |
| VOLCANOES (4) |
| VOLCANES (3) |
| ENVIRONMENTAL IMPACT (2) |
| ERUPCIONES VOLCÁNICAS (2) |
| GASES (2) |
| IMPACTO AMBIENTAL (2) |
| VOLCANIC ERUPTIONS (2) |
| CONTAMINANTES (1) |