ሳይንስለትንበያ አዳጋቹ የአየር ክስተት To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስMantegaftot Sileshi Siyoum8 የካቲት 2009ረቡዕ፣ የካቲት 8 2009https://p.dw.com/p/2XYtFማስታወቂያ