Page 5 - Pancake Effect News Today

Effort and that these families should keep hope. >> search and rescue. thank you very much, boris. i appreciate that. engineers are trying to figure out exactly what caused the surfside condo to collapse. it may take months to get the answer. but evidence of structural damage already piling up. heres cnns drew griffin. >> reporter: as new evidence emerges of past inspections, cracks and potential danger, this short surveillance camera video itself remains the best clue so far as to how and why t...

>> there was a pancake effect. it was almost symmetric and vertical and what that causes is the structure to come straight down, instead of collapsing sideways or collapsing in any, other trajectory. which would mean that, whatever caused it, which is unknown, at this point, would have caused the structure to have a clean-vertical collapse of those towers. >> reporter: but while engineers continue to speculate from afar, in reality, the answer lies, like the victims, trapped under rubble. the 40...