Tohoku_SHINKANSEN_-_Japan%2527s_fastest_train_-__%25E6%259D%25B1%25E5%258C%2597%25E6%2596%25B0%25E5%25B9%25B9%25E7%25B7%259A%25E3%2580%2580%25E3%2581%25AF%25E3%2582%2584%25E3%2581%25B6%25E3%2581%2595