23.05.2011, Freiburg, Baden-Wurttemberg, Germany - Marmeladenherstellung im Solarkocher des Entwicklers Rolf Behringer. 0RA110523D004CAROE.JPG GT [MODEL RELEASE: NO, PROPERTY RELEASE: NO (c) caro images / Ramesh Amruth, http://www.caro-images.com, [email protected] - In case of using the picture for any non-editorial purpose, please contact the agency - the picture is subject to royalty!]