Q&A Stokholm Weltwasserwoche - MP3-MonoTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMihretu, Tedros20 ነሐሴ 2003ዓርብ፣ ነሐሴ 20 2003https://p.dw.com/p/12OTCማስታወቂያ