Watch LaterAdded 03:38 政府解密 What you might not know about the Declaration of Independence – Kenneth C. Davis
Watch LaterAdded 05:20 說地方與人 The Silk Road: Connecting the ancient world through trade – Shannon Harris Castelo
Watch LaterAdded 03:27 時空理論入門 The fundamentals of space-time: Part 3 – Andrew Pontzen and Tom Whyntie
Watch LaterAdded 06:21 TED青年 From Aaliyah to Jay-Z: Captured moments in hip-hop history – Jonathan Mannion