president barack obama says in his final state of the union address 50 years of isolating cuba had failed to promote democracy, setting the us back... - 解開的 個影片檔及 b 捲影像01:00
japanese astronaut norishige kanai came back to earth last month but is still dreaming of space especially after the discovery of an underground lake... - 解開的 個影片檔及 b 捲影像02:24
