How much was the ‘biggest ever’ Posidonia worth to the Greek economy? 13 November 2024 Almost as much as one Taylor Swift concert, that’s how muchAuthor: Capt. Johnhttps://www.tradewindsnews.com/news/how-much-was-the-biggest-ever-posidonia-worth-to-the-greek-economy-/2-1-1738725