Drilling Platform in Lake Ohrid (image) University of Cologne Caption The researchers drilled to a maximum depth of 568 metres and a water depth of 245 metres. This makes the endeavour one of the most successful lake drillings carried out in the framework of the International Continental Scientific Drilling Program (ICDP), allowing the team to collect high-resolution regional climate data for a period of over 1.3 million years. Credit Niklas Leicher Usage Restrictions None 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.