Wissenschaft_180511_Internationaler Testflug des Solarflugzeuges - MP3-48kHzTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoAbebe, Lidet(HO)10 ግንቦት 2003ረቡዕ፣ ግንቦት 10 2003https://p.dw.com/p/11Iypማስታወቂያ