Experimental Setting in Pulmanki River (IMAGE) University of Eastern Finland Caption Researchers worked in cold and snowy conditions to simulate the ice-covered flow of the Pulmanki River in Finland. Credit Eliisa Lotsari Usage Restrictions Please mention the 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.