Vertical Caves: Exploring Blue Holes

Tourists and hard-core adventurers are attracted to underwater caves around the world, some hundreds of feet deep. Free divers sink into the darkness without supplemental oxygen for record-breaking dives. Above, the Blue Hole in Belize Barrier Reef. Open gallery…

193 notesShowHide

  1. livvylover reblogged this from discoverynews
  2. mathsismylife reblogged this from discoverynews
  3. west-ryder-silver-bullet reblogged this from discoverynews
  4. companioncube76 reblogged this from discoverynews
  5. wwegirl01 reblogged this from geologise
  6. antarcticanking reblogged this from discoverynews
  7. hastygetaway reblogged this from discoverynews
  8. travelwithfood reblogged this from geologise
  9. pyrokosus reblogged this from discoverynews and added:
    Blue holes are terrifying.
  10. ph0tofad reblogged this from discoverynews
  11. bluesaintdrug reblogged this from geologise
  12. rosemarymonday reblogged this from discoverynews
  13. deep-in-the-oceans reblogged this from geologise
  14. ekranoplaneador reblogged this from discoverynews
  15. lifesshort reblogged this from geologise
  16. journey-is-life reblogged this from geologise
  17. tickettoheaven reblogged this from geologise
  18. mente-radical reblogged this from geologise
  19. relivethesplendor reblogged this from discoverynews
  20. potassiumkhaleesi reblogged this from discoverynews