Wissenschaft (300610)To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoAlemayehu23 ሰኔ 2002ረቡዕ፣ ሰኔ 23 2002amharisch: Wissenschaft (300610) - Produziert: 30.06.2010 - 11:52:05 von Alemayehuhttps://p.dw.com/p/O79Kማስታወቂያ