3 ms·You lack knowledge of Japan.by akg_67 6y agoYou lack knowledge of Japan.ekianjo 6y agoI live in Japan. Wrong assumption.mlindner 6y agoThen you don't know the geography of the country you live in. The Shinkansen goes through numerous tunnels in it's normal route.akg_67 6y agoThen you are clueless about shinkansen and geography. I also live in Japan.