The geological formation reaches down 100 feet, and its contents can only be seen by diving below the surface. Post Views: 360 News PREVIOUS ARTICLE Star Wars The Last Jedi was Good | NextBigFuture.com NEXT ARTICLE Celebrating the Bond Between Monkeys and Their Humans Related Post Ancient black holes ruled out as source of all dark matter / Dec 12 Anti-vax views must not derail France’s compulsory vaccine law / Dec 12 Weaponised microwave may be behind alleged sonic attacks in Cuba / Dec 12 Leave a Reply Click here to cancel reply. Name (required) Mail (required) (not be published) Website