a chance if the train did derail. so if those are the cars it should give the passengers more of a chance and let's hope it is. oh dear. that one you're showing right now does not look like. >> and mary we don't know -- as you said we don't know the cause of this. it could be a switcher problem, could be a track problem. we're not exactly sure what it is. but i do remember mary that there were issues and i'm sure you will recall this as well when they started with the high-speed aselatrains, that the tracks could not hold it or take the capacity of those trains. and those trains do not travel at the speeds they're capable of because those tracks can't handle it. >> exactly. and a lot of people want to compare, well why donate we have trains they have in japan. and the reason is japan doesn't just have the high-speed bullet train, what they have are specially dedicated tracks. and in japan for the bullet train, there's no place in the system where cars and trucks