Danil Vorobiev, Tomsk State University (IMAGE) National Research Tomsk State University Caption This is Danil Vorobiev, doctor of biological sciences and director of biological institute near the lake. Credit TSU Usage Restrictions you may state that the image may only be used with appropriate caption or credit 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.