ሳይንስአፍሪቃሳይንስና ቴክኖሎጂTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስአፍሪቃTsehay Filatie26 ነሐሴ 2013ረቡዕ፣ ነሐሴ 26 2013https://p.dw.com/p/3zmiMማስታወቂያ