Can Paris fix its poop problem before the Olympics?
27:08
Who made these circles in the Sahara?
5:27
A Sad Moment in American History
21:54
The rise of Xi Jinping, explained
15:14
The 25 Biggest MISTAKES Tourists Keep Making in Paris
48:03
O Escândalo dos Químicos Eternos | Bloomberg Investigates
13:36
Why no one wants to host the Olympics
25:06
Why does this forest look like a fingerprint?
6:49