[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）
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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