Oh, that was just one of the 4 Shinkansen platforms - together woth the normal lines the station has 14 platforms: https://en.m.wikipedia.org/wiki/Hiroshima_St

Oh, that was just one of the 4 Shinkansen platforms - together woth the normal lines the station has 14 platforms: https://en.m.wikipedia.org/wiki/Hiroshima_Station https://en.m.wikipedia.org/wiki/Hiroshima_Station In remember they even managed to somehow fit a small ramen restaurant on the island between platforms, complete with some seats at the counter. :)