Contraste Coltan de SangueTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoGouveia, Helena de04/11/20104 de novembro de 2010brasilianisch: Contraste Coltan de Sangue - Produziert: 04.11.2010 - 19:15:46 von Gouveia, Helena dehttps://p.dw.com/p/PyobPublicidade