ሳይንስየህዋ ሳይንስ ባለሙያዎች በ10 ቀናት 18 ከተሞች ያዳርሳሉTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago/M M T8 ጥቅምት 2010ረቡዕ፣ ጥቅምት 8 2010https://p.dw.com/p/2m6wgማስታወቂያ