Wissenschaft 24.10.2012 - MP3-MonoTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoGemechu Bekele, Lemu14 ጥቅምት 2005ረቡዕ፣ ጥቅምት 14 2005https://p.dw.com/p/16Vu0ማስታወቂያ