Who made these circles in the Sahara?
25:06
Why does this forest look like a fingerprint?
24:33
What's inside this crater in Madagascar?
25:27
How Japanese Masters Turn Sand Into Swords
34:18
Pourquoi l’Arabie Saoudite construit une ville dans le désert pour 1 000 milliards de dollars
1:42:54
11 Rare And Expensive Objects Mined From Earth | So Expensive Marathon
10:44
Two theories for an unsolved Soviet mystery
14:11
Inside Africa's Food Forest Mega-Project
29:30