ሳይንስደቡብ ኢትዮጵያ የተሞከረዉ የዉኃ መሠብሰቢያ ቋትTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago16 ግንቦት 2009ረቡዕ፣ ግንቦት 16 2009https://p.dw.com/p/2dXSHማስታወቂያ