አራት የስነ-ህንፃ ባለሞያዎችና ድርጅታቸውTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLidet Abebe/M M T30 መጋቢት 2008ዓርብ፣ መጋቢት 30 2008https://p.dw.com/p/1IS9pማስታወቂያ