Real mermaid foundfocus down on Tulum, the enigmatic, clifftop city of the Mayan Civilization, The only Mayan city, known to exist on the ocean's edge, nearby the ancient city lie, the Two Longest underwater cave systems ,known on earth, the underwater cave system ,is notorious for mermaid ambushes ,and it is easy to get lost,and die in the pitch black darkness, this filming trip, was biter sweet, as mandelhoff was injured again ,in another unprovoked ,mermaid attack