If you're planning on travelling any long distance within Japan then a high-speed shinkansen is definitely the way to go. Shinkansen are generally called "bullet trains" by people outside of
Japan due to the futuristic bullet-shaped front of the early shinkansen trains in the 1960's.
As can be seen from my photos here that I took just after getting off the shinkansen (E4 series) in 2005, they can no longer be called bullet-shaped. However, the name "bullet train" is still very apt as...
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