[The Story of Liberia] A country of discrimination created by former slaves (Zundamon x Slow Comm...
31:28
[Slow explanation] Why is there no soil on celestial bodies other than Earth? - The day when soil...
23:11
【実話】ねずみ講で崩壊した国がヤバすぎる(ずんだもん×ゆっくり解説)
23:14
Why China hates Japan, the US, and Europe: 100 years of history from the Opium Wars to the Sino-J...
24:57
なぜアフリカは資源が豊富なのに貧困が続くのか?
38:35