4 ms·
There's a good 12-minute documentary on how Japanese trains are cleaned: https://www.youtube.com/watch?v=L90CpRdjMJU https://www.youtube.com/watch?v=L90CpRdjMJU
by nayuki 3y ago
There's a good 12-minute documentary on how Japanese trains are cleaned: https://www.youtube.com/watch?v=L90CpRdjMJU https://www.youtube.com/watch?v=L90CpRdjMJU