Grand Combin (IMAGE) Paul Scherrer Institute Caption Even the «eternal ice» on the Grand Combin is not made to last forever. Visible at the upper right of the photo is the drilling camp of the 2020 Ice Memory expedition led by PSI researcher Theo Jenk. Credit CNR, Ca’ Foscari University/Riccardo Selvatico Usage Restrictions PSI provides image and/or video material free of charge for media coverage of the content of the above text. Use of this material for other purposes is not permitted. This also includes the transfer of the image and video material into databases as well as sale by third parties. 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.