Puerto Rico: Rio Camuy Caverns
Cavernas del Riu Camuy is the largest cave network in Puerto Rico consisting of over 220 caves with 17 entrances and covering over 10 miles underground.
Puerto Rico: Arecibo National ObservatoryCavernas del Riu Camuy is the largest cave network in Puerto Rico consisting of over 220 caves with 17 entrances and covering over 10 miles underground.
Puerto Rico: Arecibo National Observatory
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