Tokyo's DEEPEST secret ｜The hidden tunnel underneath Tokyo

We had a look down into a secret train yard underneath Tokyo city and found some unbelievable things. Let's see what the secret Japanese subway area of Toei transportation looks like and why Japanese trains are considered the best in the world. Not just Japanese train fans will be excited to find out what makes the trains of Tokyo run so efficiently.

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Видео Tokyo's DEEPEST secret ｜The hidden tunnel underneath Tokyo канала Ask Japanese