ሳይንስአፍሪቃሳይንስና ቴክኖሎጂ To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስአፍሪቃMekonnen,Alemnew28 ሐምሌ 2013ረቡዕ፣ ሐምሌ 28 2013https://p.dw.com/p/3yXhBማስታወቂያ