Bicycling Magazine (USA) – There’s a Twitter Account Dedicated to the Geology of the Tour de France and It’s Amazing Douwe J.J. van Hinsbergen Posted on July 6, 2023 by douweJuly 6, 2023 https://www.bicycling.com/tour-de-france/a44459608/twitter-account-dedicated-to-the-geology-of-the-tour-de-france/