Guus Rijnders (IMAGE) Springer Caption This is Guus Rijnders. Credit Eric Brinkhorst Fotografie B.V. Usage Restrictions Please credit the source of the picture. Eric Brinkhorst Fotografie B.V. 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.