Urgency, then that should have been made clear and action would have been taken as needed. given this new information, do you believe these cracks in the concrete are the ultimate driver behind the collapse? or do you need to look at other factors as well? yeah, there s a need to look at a lot of other factors. what i would expect, in a collapse like this, there is typically a trigger of some sort. either that trigger is some kind of an overload, whether it s an earthquake, hurricane, landslide. but there may be other triggers like deterioration of strength. if there is excessive corrosion and that concrete has become very weakened, a combination of an unexpected extreme load with, say, weakened concrete from corrosion and deterioration, those two things together could have led to this kind of collapse. but i suspect there would be multiple potential causes to be evaluated and considered. hearing the details in this 2018 report that s just been released now, troy, how ....