AMH Umwelt & Gesundheit 01 11 2011 (7 Billion Weltbevölkerung) - MP3-MonoTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLegesse, Shewaye21 ጥቅምት 2004ማክሰኞ፣ ጥቅምት 21 2004https://p.dw.com/p/1336bማስታወቂያ