ተፈጥሮ እና አካባቢ « የአየር ንብረት ለውጥ መገለጫዎች»To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoተፈጥሮ እና አካባቢ Shewaye Legesse30 ሐምሌ 2011ማክሰኞ፣ ሐምሌ 30 2011https://p.dw.com/p/3NSYNማስታወቂያ