ሳይንስበበረዶ ዘመን በባሌ ተራራ ሰዎች እንደኖሩ በጥናት ተረጋገጠ To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago8 ነሐሴ 2011ረቡዕ፣ ነሐሴ 8 2011https://p.dw.com/p/3Ntz5ማስታወቂያ