let's bring in miami herald reporter sarah blassski.s likely cause by structural issues. what concern is there for other buildings in the area that are about the same age? >> to be clear from our reporting, officials are worried about certain things that came up during an inspection, specifically one structural slap under the pool deck that may have been damaged by standing water over time due to poor design. however, it's unclear -- no one is certain exactly what went wrong and until then, it's hard to say exactly how much anyone has to worry. but we understand from experts that buildings like this just do not fall, and they are looking for a reason. and they say that residents of other high-rises in miami beach like those behind me here do not need to worry, that these are incredibly rare events and they are investigating sfaz they can. >> yeah. and here is something from your report. it was extraordinary. and it said that appearing to reinforce the expert's theory, the one that you were citing relative to the pool deck perhaps being