Where They Drilled (IMAGE) Università Ca' Foscari Venezia Caption The tent on Colle Gnifetti and the refuge Capanna Margherita. Credit Riccardo Selvatico (CNR/Ca' Foscari University of Venice) Usage Restrictions None 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.