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Posts tagged adenture
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…

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…