Kansai is a pretty big engineering debacle. It's been sinking way, way faster than expected and vulnerability to flooding has been raised as a concern for at least a decade, probably more, even with the seawalls having been augmented at great cost. Very unfortunate series of events this last week and it's good to hear that things were handled well, given the circumstance, but it seems like the airport itself is only going to become more of a problem as time goes on. Hope for the best, I suppose.