If one train, traveling at 175 km/h, passes another train going 175 km/h in the opposite direction with only 5' between them, then with a pop and a whoosh and a blurring of time and space returns you to your view of rice and lotus fields framing ancient shrines and  houses that emulate ancient lords' castles within a society of controlled sobriety of sleepy salarymen, girly girls, modernism, animism-on your way to the Hadron collider that is shinjuku tokyo and then back in time to old friends house in ancient Kyoto-that means you are probably in Japan.