mªÛz¥ (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Ansicht der Anlage von Barbegal im Jahr 2018 Credit Foto/©: Robert Fabre, Saint Etienne du Grès, France Usage Restrictions This image may only be used in connection with the press release "The unique hydraulics in the Barbegal water mills, the world's first industrial plant", issued by Johannes Gutenberg University Mainz on November 13, 2020. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.