ሳይንስቃለ-ምልልስ ከቤተልሔም ደሴ ጋርTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago M M T/21 ግንቦት 2011ረቡዕ፣ ግንቦት 21 2011https://p.dw.com/p/3JT0Mማስታወቂያ