Sergio Frau suspects Plato was writing about a tidal wave on Sardinia... Writer and journalist Sergio Frau is another. After researching the island for a decade, Frau suspects a mysterious disaster that devastated Sardinia 3,200 years ago was in fact a tidal wave, which boosts the theory that Sardinia and Atlantis are one and the same, reports the Guardian. Stefano Tinti, an expert on tidal waves who recently visited the island with Frau along with a dozen other experts, says 350 tidal waves have occurred in the Mediterranean over the last 2,500 years and one might explain why all of...