The most closed borders in the world.
16:33
The geopolitics of rivers.
15:37
Les frontières les plus insolites !
14:14
Russie : La jeunesse milite contre Poutine
51:29
The largest tunnel in the world: miners facing the mountains
13:15
The territorial disputes
52:39
Morocco: The desert is dangerously gaining ground - Disaster documentary
21:52
Dream Borders of Countries
12:13