Ox Bel Ha Cave System

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Ox Bel Ha is a cave system in Quintana Roo, Mexico. It is the longest known underground river and underwater cave in the world[1]. It is currently 170 km long (as of 2007-11-18)[2].

[edit] Notes

  1. ^ [1]Bob Gulden List of World Longest Caves
  2. ^ [2]Quintana Roo Speleological Survey
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