Ancient Siberian Pine Tree in Central Mongolia (image) National Science Foundation Share Print E-Mail Caption This is an ancient Siberian pine tree in central Mongolia. The trees hold records of past precipitation. Credit Neil Pederson, LDEO, Columbia University Usage Restrictions None Share Print E-Mail 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.