24:29
What is necessary to realize the Hokuriku Shinkansen and Maibara Route [Anti-Maibara Route Oppone...
13:36
[Pity?] Why Kagoshima Station is not the gateway to Kagoshima [Even though it was when it was fir...
17:20
教科書の「飛行機が飛ぶ理由」は嘘？NASAが指摘する揚力の本当の正体【物理】
20:25
Why the Senzan Line can't compete with express buses [Would the Yamagata Shinkansen have been abl...
20:23