Geo Tour de France (IMAGE) Utrecht University Caption The Geo Tour de France crew while producing one of their videos on the landscape and the geological history of the Tour de France. Credit Utrecht University Usage Restrictions No restrictions provided source is mentioned License Original 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.