(Music)
(音樂)
(Applause)
(掌聲)
(Music)
(音樂)
(Applause)
(掌聲)
(Music)
(音樂)
(Applause)
(掌聲)
(Music)
(音樂)
(Applause)
(掌聲)
Jun 01 2012
www.ted.com(Music)
(音樂)
(Applause)
(掌聲)
(Music)
(音樂)
(Applause)
(掌聲)
(Music)
(音樂)
(Applause)
(掌聲)
(Music)
(音樂)
(Applause)
(掌聲)
Jun 01 2012
www.ted.com