Compare rail density in Tokyo with Beijing, Shanghai, Hong Kong (scale is slightly off on HK). Only subways are colored--not regional railpic.twitter.com/k3oF8tP0Us
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Oh ok, I assume those blue lines are ferries. They don't continue onto land now that I look. Misleading as the other maps don't show ferries
I've ridden one of those ferries though, they're super cheap and convenient. It'd be better if you didn't have to get off the train though.
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