Tibetan Glacier (IMAGE) University of California - San Diego Caption This is Tibet's Kyetrak Glacier in 1921 and in 2009. Credit (1921) Courtesy of Royal Geographical Society, (2009) Courtesy of Glacier Works 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.