PythagorasTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSchaum, Marlis24.02.200924. Februar 2009deutsch: Pythagoras - Produziert: 18.02.2009 - 16:28:45 von Schaum, Marlishttps://p.dw.com/p/H092Anzeige